What is a Cataract Archives - Glaucoma & Cataract, Prof. Eytan Blumenthal | Glaucoma & Cataract, Prof. Eytan Blumenthal

I’ve been told that I have mild cataract, what should I do?

Early cataract seen as yellowing of the lens

It is quite common that during a routine eye exam performed by an ophthalmologist, a patient over the age of 60 is notified that they have mild cataract, which does not justify surgery, but does explain a small to medium decrease inthe sharpness of vision. These patients would like to know, after having discovered they have mild cataract, what should they do? My response, surprising as it may be,...

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What is a Cataract

Within each healthy eye is a lens that we are born with. This lens, which is crystal clear, is important in focusing the light onto the retina, and enabling us clear vision. The definition of the word ‘cataract’ is clouding of this natural lens. This cloudiness (opacification) interferes with the passing of light through the lens, and as a result a blurred and foggy picture is obtained. This...

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Why do Some Eyes Develop a Cataract

Cataracts usually develop secondary to aging.  In addition, they may infrequently develop in relation to a variety of insults and risk factors, the common factor being a continuous injury to the metabolism of the human lens.  While there are a number of factors that may lead to cataract, as previously noted, by far the most common reason is simply ‘age’ (which is known as “age...

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Types of Cataract

A photo showing a very dense, mature, cataract

One can classify and sort the different types of cataract in a number of ways: Categorization According to Location of the opacity: A nuclear cataract appears in the center of the lens. The nucleus is the inner, central, portion of the natural lens. This cataract generally develops with age and causes blurred vision as well as an image that appears darker and has a yellow-brown hue. In addition...

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How Does One Manage With a Cataract

Arrows point to an early cataract seen as yellowing of the lens

The answer to this question is quite simple. Firstly, it is important to remember that a cataract is a very common condition, so that a large portion of people over the age of 60 suffer from it and are at different stages in the development of a cataract. Secondly, a cataract is not painful, so that on a day to day basis the only adverse effect is blurry vision. In the early stages, it is...

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Can Cataract be Prevented

Many patients who suffer from mild to moderate cataracts, or who already underwent cataract surgery in one eye, inquire if there is a way to prevent the worsening of a cataract as well as prevention of cataract surgery? They ask: is there something that we are doing, without intending to, which is exacerbating the situation and causing the cataract to develop at a faster pace? My answer is: No....

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Why are Pupils Dilated During an Eye Exam

Widely dilated pupil

Why does my ophthalmologist insist that I occasionally need to have my pupils dilated, what is it good for? Anyone who has undergone a comprehensive eye examination most likely remembers the discomfort associated with dilation of the pupils. Pupil dilations is achieved by placing 1-2 types of eye drops that slowly slowly begin dilating the pupils, which are the central round black portion of...

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