Posterior polar cataract images

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In posterior polar cataracts, the deficient/abnormal capsular morphology could be, pre-operatively identified using ASOCT and specifically categorized into 3 categories, conical, moth-eaten, and ectatic types as described by Pujari et al in their second study. In the conical variant, the posterior opacity-capsular junction does not show the. A posterior subcapsular cataract interferes with a person's reading and night vision. The eye's lens functions as the main channel through which light is transmitted to form retinal images. With time, or injury, the lens can lose its flexibility, causing the light that passes through it to fracture and split. The progressive loss of tone leads. Many of his images are significant for their historical perspective and for techniques and conditions seen in settings in undeveloped areas. Category: Cataract. Posterior polar cataract A posterior polar cataract, rare than itsanterior counterpart, appears similar clinically and histologically to the acquired posterior subcapsular cataract

Posterior Polar Cataract. Emily S. Birkholz, MD; Thomas A. Oetting, MD; Anna S. Kitzmann, MD. January 22, 2011. Chief Complaint: 38-year-old male with blurry distance vision History of Present Illness: The patient noticed blurry distance vision and problems seeing at night for years, more noticeably in his left eye than in his right. When driving at night, he noticed a significant amount of. A posterior polar cataract is a round, discoid, opaque mass (see the image below) that is composed of malformed and distorted lens fibers located in the central posterior part of the lens. This location is its most significant feature, in addition to its proximity to and possible adherence with the posterior capsule Autosomal dominant posterior polar cataracts may result from mutations in the EPHA2 gene located at 1pter-p36.1. Interestingly, an area with a likely locus adjacent to but outside the coding region of this gene has been associated with age-related cataracts. This type of lens opacity may be allelic to Volkmann cataract

The cataract is an upside down-Y shaped area of opacity on the rear surface of the lens - hence Posterior Polar Cataract. The dogs are not blind and the cataract can appear at any time - the oldest dog to suddenly present with the catacts was 8 years old, after being examined every year up to then. - So 'variable age of onset' Posterior polar cataracts may worsen and require surgery. However, polar cataracts can cause unequal refractive errors in the two eyes that can put a child at risk of amblyopia. Other cataract types. Rosette cataracts are trauma-induced cataracts that can be seen in the anterior or posterior region of the lens. The lens opacities form what look.

cataract pictures - pictures, photos

Small posterior polar cataract changes do not affect the dog's vision notably, and may progress only to a limited extent. However, even posterior polar cataracts may in some cases progress to affect the whole lens. In many breeds, posterior polar cataract is the most common manifestation of hereditary cataract, but there are breed differences. Posterior polar cataracts (PPCs) are known to be associated with an abnormal adhesion of the posterior capsule to the polar opacity, or a preexisting weakness of the posterior capsule, both of which predispose the eye to posterior capsule rupture (PCR) during cataract surgery. PPCs are, therefore, a nightmare for all cataract surgeons, and. Cataract - An infographic by GeriatricNursing.org. If you or a loved one has cataracts, you'll want to know what these are all about. Cataracts are basically areas of opaqueness or cloudiness of the lens of the eye. Normally, the lens is clear and allows for a full amount of light and clear images to pass through to the retina of the eye Posterior polar cataract is the predominant consequence of a recurrent mutation in the PITX3 gene. Br J Ophthalmol. 2005;89(2):138-141. Devgan U. Visco-dissection technique for posterior polar. Most congenital cataracts are inherited as an autosomal dominant trait. 3,4 Much like senile cataracts, childhood cataracts are categorized according to both their appearance and distribution of opacification. 3,4 The opacification nomenclature includes nuclear, lamellar, pulverulent, posterior polar, cerulean (blue dot) and anterior polar opacities. 26 Polar opacities involve either the.

Cataract - bei Amazon

  1. Posterior Polar Cataracts can be Phacoemulsified by this technique. A Case of Large Zonular Dialysis . This is the video of Pre-Operative and Post-Operative Images. Worm Removed From the Eye at Super Sight Eye Hospital. Worm removed from the eye without any operation in Out Patient Department of Super Sight Eye Hospital, Visakhapatnam
  2. Posterior capsulorhexis performed with dry aspiration of opacities, avoid rupturing anterior hyaloid, and posterior optic button hole fixation of the intraocular lens. The video by Ike Ahmed. tags: ophalmology cataract posterior polar cataract mittendorf opacity. Editor
  3. Human anatomy, including structure and development and practical considerations . e at sometimepartial, and they are called according to their location, anterior polar or capsular,posterior polar or capsular, central or nuclear, lamellar, perinuclear and cortical.Cataract occurs sometimes in the young, and is then soft; that is, the lens has nonucleus
  4. ers/Panellists - ECVO. 1. Cataract cortical, immature, posterior, polar. 2. Cataract cortical, immature. Inverted Y posterior. Mimics lenticonus posterior, but there is a normal posterior shape and capsule of the lens. 3. Cataract, fiberglass-like changes in the nucleus

Sr. No Condition Mechanism Morphology 1. Posterior polar cataract Inherent weakness and thinning of posterior capsule with enlargement of opacification [18] Central, vertically oval defect, thick fibrosed margin [5] 2. Congenital cataract Anomalous attachment of Weiger's hyaloidocapsular ligament to posterior lens capsule Central, large (8-9 mm) defect with attached ligament Posterior. Actually, there are reports of intraoperative posterior capsular rupture with posterior polar cataract. 4 However, it is unknown if a hole was made and then progressed to morgagnian cataract, or if a hypermature cataract aggravated and then ruptured the posterior capsule A cataract is a clouding of the lens in the eye. This clouding affects vision. A cataract can happen in one or both eyes, but does not spread from one eye to the other. Most cataracts happen as the result of aging, and they are very common in older people. If left untreated, cataracts cause progressive vision loss and can affect your daily. Purpose: To report the application of 25 MHz B-scan ultrasonography (MHzB) to determine the integrity of the posterior capsule (PC) in posterior polar cataract (PPC). Methods: Patients with whom PPC was clinically diagnosed using slit lamp microscopy who underwent 25 MHzB before phacoemulsification were retrospectively reviewed. The status of the PC was determined by 25 MHzB before. SHLOMIT SCHAAL, HENRY KAPLAN, in Ocular Therapeutics, 2008. 2. Posterior subcapsular cataract (PSC) Posterior subcapsular cataracts are granular opacities that occupy the polar region of the posterior cortex, just within the posterior capsule. Corticosteroid-induced cataracts are also typically posterior subcapsular in nature. Cataract development in most cases of chronic anterior uveitis is.

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  1. Posterior polar subcapsular. Boston Terrier Boston Terrier: late onset, from 3-10 years. Subcapsular, anterior radial wedges from equator. Norwegian Elkhound Elkhound: posterior polar cataract with extensions around suture lines, may involve anterior cortex . Onset 3-4 months. Timecourse. Progression typical for the breed
  2. Posterior capsular opacification, also known as after-cataract, is a condition in which months or years after successful cataract surgery, vision deteriorates or problems with glare and light scattering recur, usually due to thickening of the back or posterior capsule surrounding the implanted lens, so-called 'posterior lens capsule opacification'
  3. Photos. See All. Videos. Phacoemulsification in Posterior Polar cataract Posterior Polar Cataracts are challenging as they have higher predisposition for posterior capsular rupture and associated complications. Low phaco parameters, appropriate sized capsulorhexis, gentle hydrodelineation (no hydrodissection), removal of posterior plaque as.
  4. Intraoperative preparation: good positioning, may use Diamox to lower posterior pressure, use of iris ring for better dilation. Modification of surgery for the posterior polar cataract try to avoid hydrodissection step. Use of possible general anesthesia in a difficult patient. Phacodynamic taylored to the eye and patient's condition. Diagnosi

Purpose . To report the application of 25 MHz B-scan ultrasonography (MHzB) to determine the integrity of the posterior capsule (PC) in posterior polar cataract (PPC). Methods . Patients with whom PPC was clinically diagnosed using slit lamp microscopy who underwent 25 MHzB before phacoemulsification were retrospectively reviewed Preexisting posterior capsular defect. Preexisting posterior capsular defect incidence varies from 2.2% to 6.75%.[31 32] It is seen in association with posterior polar cataract, persistent fetal vasculature (PFV), lenticonus, or lentiglobus.The defect develops due to the developmentally weak posterior capsule or traction of regressing hyaloid artery, resulting in the fluid vitreous hydrating. Posterior subcapsular cataract (PSC) Description, Causes and Risk Factors: A posterior subcapsular cataract is a form of opacity that affects the back side of the eye's lens. Primarily affecting one's reading and night vision, a posterior subcapsular cataract usually accompanies age-related lens degeneration, but may affect anyone of any age A number sign (#) is used with this entry because multiple types of cataract are caused by heterozygous mutation in the EPHA2 gene (176946) on chromosome 1p36. Description. Mutations in the EPHA2 gene have been found to cause multiple types of cataract, which have been described as posterior polar, congenital total, complete, and age-related.

Bilateral posterior polar cataracts. Posterior polar cataracts are lens opacities that involve the posterior subcapsular cortex and posterior capsule. They are important to recognize prior to cataract surgery because the posterior capsule may be weak or absent in that area, leading to an increased risk of surgical complications Here are images of some of the different types of congenital cataracts. We would like to thank Professor Chris Lloyd, consultant paediatric ophthalmologist at the Great Ormond Street Hospital for Children (GOSH) in London for providing all the images displayed in this page. Anterior polar cataract. A central anterior polar cataract Posterior Polar Cataracts. A cataract is a natural clouding of the crystalline lens of the eye. This is a natural process that tends to happen as we age. There are several types of cataracts, including nuclear cataracts, cortical cataracts, and posterior subcapsular cataracts. Nuclear cataracts describe the clouding of the lens that occurs in.

Posterior subcapsular cataract

Posterior Polar Cataract - EyeWik

What is a Posterior Subcapsular Cataract? (with pictures

Congenital capsular thickening- Associated with posterior or anterior polar cataracts and pyramidal cataract. The posterior form may be associated with a hyaloid remnant. Acquired capsular opacities - Occur with pseudoexfoliation, Infra-red radiation (Glass blower's cataract) or Secondary to blunt trauma when a Vossius' ring may be formed We know that with posterior polar cataracts, there is a congenital weakness in the posterior capsule at the site of More. cataract surgery, posterior polar cataract. Understanding Purkinje Images. Intra-ocular lens implants which are well-centered can provide better quality of vision for our cataract surgery patients. In the ideal Children with uveitic cataract should always have, at the very least, an anterior vitrectomy and posterior capsulotomy as part of the surgery, and some authors have recommended that those with juvenile idiopathic arthritis associated uveitis have a complete vitrectomy (J Cataract Refract Surg. 2005;31:472-478). Experience suggests that leaving. Using Posterior OCT in Cataract Surgery The ability to uncover retinal problems before cataract surgery could improve both outcomes and patient satisfaction. Optical coherence tomography is widely used by today's ophthalmologists, and as the technology improves, new ways to take advantage of its capabilities continue to appear View 248599117-Posterior-Polar-Cataract.docx from BIOL GENETICS at University Of Georgia. Posterior Polar Cataract Background The existence of congenital cataracts has been known for more than 20

Posterior polar cataract

Subjects without cataracts acted as controls. RESULTS: Subjective gradings of 0 and 10 were assigned to the clear, cataract-free lens and the total cataract, respectively. Fixed grades of 1 (anterior polar, sutural) and 6 (posterior polar) were assigned to the three remaining cataracts with static morphologies Cataracts are an opacity of the lens or its capsule and should be differentiated from the minor lens imperfections in young dogs (seen on slit-lamp biomicroscopy ) and the normal increase in nuclear density (nuclear sclerosis) that occurs in older animals. Cataract formation and cataract surgery in people and dogs have many similarities, but dogs experience more postoperative anterior uveitis Cataract surgery complications are few, and cataract surgery is among the most common and most successful surgical procedures performed today.. In the United States, about 4 million cataract surgery procedures are performed every year.. Cataract surgery is very safe. One study of more than 221,000 cataract surgery patients showed that 99.5% of the patients had no serious complications. The 1p interval (approximately 26 megabase pairs) contains approximately 400 positional candidate genes and likely includes the loci for Volkman cataract, 47 posterior polar cataract, 48 and total cataract. 22 The potential susceptibility loci on 1q31 and 2q33 lie near the connexin 50 gene and the γ-crystallin gene cluster, respectively. We have shown that mutations in the human CHMP4B gene underlie inherited forms of 'posterior polar' cataract. The overall goal of this study is to elucidate the role of CHMP4B complexes in lens cell membrane differentiation and function - with particular focus on cell-cell communication

Posterior Polar Cataract

What is the abbreviation for Posterior Polar Cataract? What does PPC stand for? PPC abbreviation stands for Posterior Polar Cataract. All Acronyms. Search options. Acronym Meaning; images. Abbreviation in images. Image info. Source HTML HTML with link. This work by All Acronyms is licensed under a Creative Commons Attribution 4. Yet another form of autosomal dominant anterior polar cataract is associated with corneal disease (Cataracts, Anterior Polar with Guttata) ( 121390 ). Other cataracts that map to chromosome 17 are zonular sutural cataract ( 600881) with a locus at 17q11-q12 and cerulean or 'blue dot' cataract ( 115660) at 17q24. Treatment Figure 10 Four ASOCT images of posterior polar cataracts showing a definite dearth in posterior capsular continuity with active herniation of cortical matter into anterior vitreous (red dots). The consistent nipple-shaped configuration in these four images simulates a conical appearance (hence the conical sign) suggestive of posterior capsular. By next-generation sequencing of 54 cataract-associated genes in 27 Han Chinese families with congenital cataract, Zhai et al. (2017) identified a heterozygous missense mutation (Q208R; 193060.0003) in the VIM gene in a proband and his father (family 14) with congenital posterior polar cataract. The paternal grandfather also had cataracts Sarcoidosis is a systemic inflammatory disease of unknown etiology characterized by the formation of noncaseating granulomas. The disease most commonly affects the skin, lungs, lymph nodes, and eyes but can affect virtually any organ[1]. The first patient with confirmed sarcoid was described by dermatologist Jonathan Hutchinson in early 1880, whose skin lesions Hutchinson named Mortimer's.

A posterior subcapsular cataract starts as a small, opaque area that usually forms near the back of the lens, right in the path of light. A posterior subcapsular cataract often interferes with your reading vision, reduces your vision in bright light, and causes glare or halos around lights at night. These types of cataracts tend to progress. Posterior subcapsular cataract is a relatively common type of cataract which develops in the posterior capsule of the lens and causes visual impairment, especially while reading. It is reported to happen rapidly in individuals on steroids, or amongst patients with diabetes, high-grade myopia or retinitis pigmentosa. It can occur alone or may be associated with other lens opacities Cataract: Clinical Types Nathan G. Congdon Margaret A. Chang Paul Botelho Walter J. Stark Manuel B. Datiles III Of the various clinical types of cataracts known today, the majority are age-related cataracts. It has been estimated that more than 75% of persons older than 75 years have lens opacities.1 Therefore, the first part of thi Disease. While the majority of cataracts in the population are age-related, or senile, cataracts, there are many types and causes of cataract. This article will discuss the three most common types of cataracts (nuclear, cortical, and posterior subcapsular) as well as other less common types including anterior subcapsular, posterior polar, traumatic, congenital and polychromatic

Posterior Polar Cataract: Background, History of the

  1. Posterior polar subcapsular cataract as a primary defect has been recorded in Burmese and Himalayan cat breeds where the lesions can be more extensive than those reported in the French Bengal cat and progression to total cataract formation within 12 months is possible [9, 11]
  2. Essentially, the surgical approach in the case of an ILFB and questionable posterior capsule is similar to the approach for a posterior polar cataract (Vasavada, 1999). Following removal of the crystalline lens it may be possible to insert an intraocular lens primarily, based on pre-operative calculations
  3. D Deficiency And Posterior Subcapsular Cataract. Table 1 From Complications Of Cataract Surgery Semantic. Cataracts Information Complementary Treatment. Posterior Polar Cataract Background History Of The. Posterior Polar Cataract Eyeroundsorg Ophthalmology
Types of cataracts - The Cataract Course

Cataracts, Congenital, Posterior Polar Hereditary Ocular

The posterior polar cataract is one of the most difficult challenges for cataract surgeons because of the high likelihood of posterior capsule rupture. Osher and coauthors 1 report a 26% incidence of capsule rupture in a series of 31 cases and Vasavada and Singh, 2 a 36% incidence in a series of 22 cases Posterior polar cataract: These are like the anterior polar cataract, but at the back of the lens rather than the front. Congenital cataract: These are formed in utero or just after a baby is born, and they are most often caused by illness or trauma during fetal development; however, in some instances, the cataract develops due to genetics Images of normal human lenses (A, B, and C), posterior polar cataract (D, E, F), and pure nuclear cataract (G, H, I). Note that slit lamp camera images (A, D, G) all have a scattering reflect artefact (small white rectangle) techniques Management of posterior polar cataract I. Howard Fine, MD, Mark Packer, MD, Richard S. Hoffman, MD In this technique for managing posterior polar cataract, extreme care is taken not to overpressurize the anterior chamber or capsular bag to prevent posterior cap- sule rupture Cataract surgery typically involves removing the cataract and clouded lens of the eye, and replacing it with an artificial lens, usually an intraocular lens (IOL). Nuclear, cortical, and posterior subcapsular cataracts can all be treated with cataract surgery, which typically takes about an hour or so. Again, cataract surgery replaces the.

PPC (Posterior Polar Cataracts) - NyaSta

  1. An after cataract, also know as a posterior capsular opacity, is a gradual clouding of the container (or capsule) that holds the implant in place after cataract surgery. The capsule was the structure that once held the natural lens in place behind the pupil. The capsule is opened on the front side to gain access to the cataract during surgery.
  2. There are three main types of age-related cataracts: nuclear sclerotic, cortical, and posterior subcapsular. Cataract is the clouding of the natural intraocular crystalline lens which focuses on.
  3. The commonest type is nuclear congenital cataract, which affects the central region of the lens. The posterior polar type affects the region at the back of the lens. The anterior polar type affects the front portion of the lens. They are small and inherited. Bluish dots are again a sign of inherited tendencies
  4. The three most common types of cataracts in adults are nuclear, cortical, and posterior subcapsular cataracts. Congenital cataracts are a major cause of leukocoria in infants and can lead to vision loss and amblyopia if left untreated. Nuclear cataracts Nuclear cataracts are the most common type. These usually manifest with blurred vision, myopic shift, and loss of blue/yellow color perception
  5. With the intraoperative OCT posterior polar Cataracts can be vizualised No intraoperative patient transfers are required as the laser comes to the surgery and not vice versa The combination of OCT and top view images allows you the best possible planning and customization
  6. Posterior Polar Annular Choroidal Dystrophy. 68-year-old woman was seen in the office on October 4, 2012. She was seen at the University of Michigan Eye Clinic. She had poor vision. She was noticing especially going into movie theater at night, she couldn't see things. She has extremely poor night vision. That was in the late 1990's
  7. (All images courtesy Uday Devgan, MD.) Figure 2. This patient has a congenital absence of zonules and iris in one sector as well as a posterior polar cataract. Care must be taken to provide additional capsular support during surgery and to ensure long-term stability of the intraocular lens. once a cataract develops, there will be.
Anterior polar cataract

Cataracts: Types, causes and risk factors - All About Visio

Types of Congenital Cataracts. (a) Anterior polar cataracts: This type of infant cataract is located in the anterior portion of the eye and is generally associated with the inherited or genetic traits. Since it is located in the front of the eye, it required surgical intervention. (b) Posterior polar cataracts: They are located in the behind. A technique of posterior polar cataract surgery is shown in this material. Unlimited access to the largest e-library of professional videos, images, documents, courses; Connect with peers 250,000+ Healthcare Professionals from 180 countries; Upload and share your own cases, ask questions and discuss. Human eyesight two children and ball with cataract.jpg 216 × 173; 6 KB. Ideal Sight Restorer, New York, United States, 1901-1930 Wellcome L0058540.jpg. Intumescent cataract.jpg. Iris Lens Injuries with Cataract.JPG. Katarakt afrika.jpg. KF ring and Sunflower cataract.jpg. Mature cataract.jpg. Nuclear sclerosis and posterior polar cataract.jpg. A posterior polar cataract is a central opacity at the back of the lens. Persistent fetal vasculature can be associated with pediatric cataract. During development of the eye, a blood vessel extends from the optic nerve (in the back of the eye) to the developing lens to provide nutrients to the young, growing lens Cataracts found in the front part of the lens are known as anterior polar cataracts. This type of congenital cataract is thought to be inherited, and is usually too small to require treatment. Cataracts that develop in the back of the lens are known as posterior polar cataracts. The fourth type of congenital cataract is known as a cerulean.

Hereditary Cataracts - WSAVA2006 - VI

Age-related cataract is a multifactorial disease with various risk factors associated with each different type of senile cataract. Also, cortical and posterior subcapsular cataracts were related. These types of cataracts are disc-shaped. The effect of these cataracts depends on the size and density of the cataract itself. Polar cataracts can affect either the front part of the eye (anterior polar cataracts) or the back part (posterior polar cataracts). Anterior polar cataracts are typically very small and do not require surgery

Managing the posterior polar cataract: An update : Indian

Figure 1: Images of the posterior capsule (PC) under 25MHz B-scan ultrasonography (MHzB). (a) Normal continuous PC curve (CPCC) with minimal reflectivity between the PC and posterior polar cataract (PPC) in a clinically diagnosed case of PPC. (b) Normal CPCC with high reflectivity between the PC and PPC in a clinically diagnosed case of PPC Combined Anterior Polar, Posterior Subcapsular and Cortical Cataract. This is a 40-year-old male referred for cataract evaluation. He complained of blurred vision and photosensitivity. His visual acuity is 20/400 in this eye. On exam he had a unilateral anterior polar cataract combined with central posterior subcapsular cataract with mild. Certain predisposing factors are posterior polar cataract [1] -[4] (with a pre-existing posterior capsular dehiscence), traumatic cataract, mature cataract, hypermature cataract, post-vitrectomy cataract, eyes with long axial length (with weak bag and weak zonules), eyes with short axial length (with crowded anterior chamber), pseudoexfoliation. posterior polar cataract (PPC) is associated with a preexisting weakness of the posterior capsule or an abnormal adhesion of the posterior capsule to the polar opacity. presents with a white, central opacity on the posterior capsule with multiple concentric layers (may appear as a bull's eye

Understanding Cataracts A Complete Guid

This affects about a third of people who have cataract surgery. It's one of the reasons we ask people to come back for follow-ups, says Dr. Roberto Pineda, a cataract surgeon at Harvard-affiliated Massachusetts Eye and Ear, https://www.he.. Posterior polar cataract • A posterior polar cataract is a round, discoid, opaque mass (see the image below) that is composed of malformed and distorted lens fibers located in the centralposterior part of the lens. This location is its most significant feature, in addition to its proximity to and possible adherence with the posterior capsul Cataract, posterior polar, 1 Cataract, posterior polar, 3 Cataract, posterior polar, 4 Cataract, posterior polar, 5 Cataract, total congenital Centronuclear myopathy Cerebellar ataxia, areflexia, pes cavus, optic atrophy and sensorinural hearing loss Cerebro-oculo-facio-skeletal syndrome Cerebrotendinous xanthomatosis Cerulean cataract 3. It is the development of any opacity in the lens or its capsule. The cataract must cause a significant reduction in visual acuity or visual impairment. 4. Congenital and Developmental Cataract Congenital Capsular Cataract Anterior capsular Cataract Posterior Capsular Cataract Polar Cataract Anterior Polar Cataract Posterior Polar Cataract. Posterior polar cataract: at the back of the lens, in the center; Once the natural lens is removed, the eye loses the ability to focus light and create clear images. There are three options to replace the natural lens: Intraocular lens implant: a permanent replacement of an artificial lens

How to successfully operate on patients with posterior

Congenital posterior polar cataract, which predisposes to posterior capsular dehiscence, is another risk factor for dropped nucleus.[20] Loss of the nucleus into the vitreous cavity can sometimes be avoided by recognizing the early signs of posterior capsular rupture Abstract. Objective: The goal of this study was to characterize the disease-causing mutations in a Chinese family with congenital nuclear and posterior polar cataracts.Methods: Clinical data of patients in the family were recorded using slit-lamp photography and high definition video.Genomic DNA samples were extracted from the peripheral blood of the pedigree members and 100 healthy controls

23 congenital cataractTraumatic Cataract with a pre existing ruptured anterior

between reflected light images. Corneal curvature represents the distance between the light images Anterior subcapsular polar age-related cataract, right eye : H25.032 . Anterior subcapsular polar age-related cataract, left eye : H25.033 . Posterior subcapsular polar infantile and juvenile cataract, right eye : H26.052 A capsular cataract limited to an area of the anterior or posterior pole of the lens. (05 Mar 2000) Lexicographical Neighbors of Polar Cataract. polack polacre polacres poland syndrome polane polar polar amino acid polar anaemia polar antonym polar bear: polar bear dip polar bears Polar cataract Pictures Crystalline Lens and Cataract. Joah F. Aliancy, MD and Nick Mamalis, MD . INTRODUCTION. The lens of the eye is a biconvex, relatively acellular, optically transparent intraocular structure that with the cornea serves to transmit light to the retina with minimal light scattering (Fig. 1a) 1. Cuneiform Cataract: Wedge shaped opacities appear in the peripheral cortex and progress towards the nucleus. Vision is worse in low ambient illumination when the pupil is dilated. 2. Cupuliform Cataract: A disc or saucer shaped area of the cortex beneath the posterior capsule undergo opacification. The opacit Posterior capsule opacification can sometimes occur in patients after cataract surgery. acquired retroilluminated images such as the evaluation of posterior Posterior Polar Cataract Richard J. Mackool Viscodissection has been reported to reduce the risk of vitreous loss in eyes with posterior polar congenital cataracts and weak or deficient posterior capsules, to serve as an.