Diabetic retinopathy stages The diabetic retinopathy is classified on the basis of well-marked photographs described by EDTRS (Early Treatment Diabetic Retinopathy Study). On the basis of presence or absence of neovascularization, it is divided into two types: Non-proliferative diabetic retinopathy (NPDR) stages Mild NPDR In this type, the entire fundus seems normal but there are…
Hypermetropia Hypermetropia or hyperopia is the type of refractive error in which the image of the object is formed behind the retina. It is also known as farsightedness. The people who have hyperopia cannot see distant objects if their accommodation is at rest. However they can see far if their lenses accommodate to make the…
Chart test One of the most common in practice astigmatism test is the one in which patient is given a chart with radiating lines of equal length in a hemisphere as given below in the picture. Now close one of your eyes and focus on the lines on the chart. If the lines in any…
Retina is the innermost layer of eye. Beneath retina there is vitreous humor of the eye. Beneath choroid there is retina. There are 10 layers of retina. Retina has 2 parts. One is the pigmented part and the other one is neural part of retina: To grab the knowledge thoroughly it should always be in…
Our color vision is our response to wavelengths. Before understanding trichromatic theory of color vision, let’s make things more understanding. What is color? Is this light? Is this present in objects? Consider you hold a single color piece of cloth. It is of green color. Is light reflected by the cloth is green? Well the…
Degenerative myopia is also known as pathological myopia. Myopia is one of the refractive errors of eye. There are four types of refractive errors which interfere with our normal vision. These are hyperopia, astigmatism, presbyopia and myopia. Degenerative myopia is the type of myopia or nearsightedness. It is also known as progressive pathological myopia. These…
The compliance of patients with the treatment escalates the process of training eyes after cataract surgery. We can predict fairly positive outcomes of cataract surgery in today’s age. The patients should put eye drops according to the guidelines of their ophthalmologists. If you have a cataract surgery and you want to train your eyes…
There are certain eye diseases which affect most of the population of the world. Regular examination and responsible behavior towards the eyes health saves your eyes from the diseases which on onset are not so harmful. But these diseases can be very dangerous for vision if left untreated and undiagnosed. 1. Cataract Cataract is the…
We have always come across with something mentioning amazing facts about eye color. The eye color has always been talk of the beauty industries of the world that promote products related to natural beauty. What is an eye color? Is this the color of retina? Is this the color of our eye lens? The answer…
Retina institute is the part of ophthalmology department that serves the patients primarily having ocular diseases related to retina. These institutes also have elite research centers funded by government and health authorities to promote the treatment of retinal diseases. Why do we need a retina institute? There is a need to treat retinal diseases with…
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