Contact lenses have become a global thing. Their industries are also booming. According to a report there are over 140 million people around the world who wear contact lenses. The question is why do we need to wear contact lenses? Are they better for our eyes? Do they treat our vision? Toric lenses for astigmatism…
Cataract is the acquired or congenital opacification of the lens of the human eye. The lens is the refractive organ of the eye which plays major role in directing the upcoming light rays on the retina to form the real image. Avascular nature of lens The transparency of lens is very essential factor for 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…
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