Month: <span>January 2021</span>

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Light and your eyes

Explore the latest research regarding bright lights and retina damage, and how to properly protect your eyes. Parents will often tell children not to stare at the sun. This is good advice, since permanent retinal damage occurs after staring for just a few minutes! This is called solar retinopathy. Lasers and very bright industrial lights...


Transposition of ophthalmic lenses

Transposition by Andrew Othuke Akpeli Introduction / definition According to Efe (2012) transposition as the process of changing a lens prescription from one form to another equivalent form without  changing the value i.e. it is also  to rewrite the expression of its power without actually changing its value. It can also be define as the act...