From vision defects to rainbows and sky colour, here’s a quick-scoring, concept-based summary aligned with the CBSE dual exam system.

The manifest refraction-biometry formula outperforms the Barrett Rx formula in achieving target refraction during intraocular lens exchange.

First pair of glasses prescribed was defined as a spherical equivalent of refraction (SER) ≤−0.5 D to ≥−3.0 D. Subjects with prescriptions at an interval of at least 1 year were included in the ...

Eye twitching is a common condition that may run in families. The exact cause of eye twitching is not known, but the condition can originate in the motor nerves of the brain. Dry eyes, stress, fatigue ...

Abstract: The intelligent omni-surface (IOS) is a dynamic metasurface that has recently been proposed to achieve full-dimensional communications by realizing the dual function of anomalous reflection ...