New optical sensor using differential guided-mode resonance achieves record sensitivity and portability, enabling real-time ...

Ray trace parameters were used to calculate the refractive index distributions for 633 nm light in all 17 lenses and for 532 nm light in 10 lenses.

WAILEA, Hawaii — In this Healio Video Perspective from Hawaiian Eye 2024, Mitchell A. Jackson, MD, shares pearls for IOL calculations in patients with post-refractive complex corneas.

For Higher Physics, revise how to calculate the expected direction of refracted rays using Snell’s law. Calculate critical angle given refractive index.