Posterior Subcapsular cataract is a type of cataract, where in, there is opacification in the posterior or back portion of the crystalline lens. This type of cataract can occur alone or in combination with other types of cataracts as well. But the primary occurrence posterior Subcapsular cataract per se is less. Posterior Subcapsular cataract can cause significant reduction in vision because of the central position occupying the papillary area.
All the different types of cataracts, posterior subcapsular cataract develops the fastest. Therefore, it is important to be alert for any sign of symptoms. Some of the posterior subcapsular cataract symptoms are
Do you know what causes posterior subcapsular cataract? Before going for any treatment, it is imperative to know the various causes. This not only helps in effective treatment and healing but also lets you know how to prevent the cause of such cataracts in the future. Below mentioned are some of the posterior subcapsular cataract causes:
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Presently, cataract cannot be prevented. But due to advancement of technology, vision can be restored through surgery. The classification and grading of cataract are of great relevance for evaluation of potential anti cataract drugs. The World Health Organisation (WHO) has simplified grading to encourage studies by ophthalmologists.
In case of posterior subcapsular cataract (PSC), the cataract typically has a feathered appearance. When the PSC is in focus, the pupillary margin is blurred and only the retroillumination opacity is focused and graded. The posterior subcapsular cataract grading is done according to vertical diameter. For multiple PSCs, only the most clearly visible opacities with distinct borders should be considered.
The diagnosis of posterior subcapsular cataract is best done by slit-lamp examination. Ophthalmoscopic examination is also done to diagnose posterior subcapsular cataract.
Written by: Dr. Moses Rajamani – Consultant Ophthalmologist, Kanchipuram
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