👁️ Interactive Visualization Vision & the Retina — focus light and watch rods fire Follow the phototransduction cascade as rods and cones react, then dim the lights and watch the eye adapt. Launch → 👓 Interactive Visualization How the Eye Focuses — flatten and round the lens Watch the lens flatten for distance and round up for near reading — then make the eye too long for myopia or stiffen the lens with age, and slot in the exact lens that fixes each. Launch → 🔦 Interactive Visualization The Pupil Light Reflex — shine a light, watch both constrict Shine a light and watch both pupils snap shut together — the consensual reflex — then dim the room to open them, and see why a doctor's penlight can reveal a brainstem emergency or an opioid overdose. Launch →

Ophthalmology

Clear optical lenses catching beams of blue light — One interactive visualization on this hub shows the lens flattening for distance and rounding up for near reading, and the lens that corrects myopia.

Infographic: eye cross-section with cornea, lens, retina and optic nerve — Ophthalmology focuses on diseases and disorders of the eye and visual system.

Three eye lenses from clear to hazy to cloudy — Cataracts, glaucoma and macular degeneration are among the conditions this specialty covers.

Ophthalmology focuses on diseases and disorders of the eye and visual system.

All Ophthalmology Articles A–Z

Every article in this specialty, listed alphabetically.

Featured Videos

Connections

Wald, Hartline & Granit — the chemistry of vision, and why vitamin A deficiency causes night blindness
Hubel, Wiesel & Sperry — the visual cortex, critical periods, and why a lazy eye must be treated early
Axel & Buck — the sensory-receptor logic that vision, smell and taste share
Herbs covered on this site that discuss conditions in this specialty: Coleus forskohlii (Forskolin) · Chrysanthemum (Chrysanthemum morifolium) · Ginkgo Biloba (Ginkgo biloba) · Self-Heal (Prunella vulgaris)

Ophthalmology — scientific infographic poster