Anatomy And Physiology Of Eye Pdf | Ak Khurana

In-depth analysis of the sclera and the cornea (including its five distinct microscopic layers).

When light hits these photoreceptors, a photochemical reaction involving rhodopsin or iodopsin triggers a hyperpolarizing electrical signal. This signal travels through bipolar and ganglion cells to reach the optic nerve. 2. The Refractive Pathways and Accommodation ak khurana anatomy and physiology of eye pdf

A thin, highly vascular, chocolate-brown membrane lining the posterior part of the sclera. It provides oxygen and nourishment to the outer layers of the retina. C. The Inner Nervous Coat (The Retina) In-depth analysis of the sclera and the cornea

: Consists of an outer lipid layer (prevents evaporation), a middle aqueous layer (provides nutrients), and an inner mucin layer (anchors tears to the cornea). Summary of Clinical Core Concepts Main Physiology Primary Associated Pathology Cornea Light refraction and protection Keratoconus, Corneal Ulcers Crystalline Lens Variable accommodation Cataracts, Presbyopia Trabecular Meshwork Aqueous humor drainage Open-Angle Glaucoma Retina / Macula Phototransduction and color Macular Degeneration, Retinal Detachment Re-draw the pathways (e.g.

Open the PDF on one half of your screen and a diagram tool or note-taking app (like OneNote or Notability) on the other. Re-draw the pathways (e.g., the visual pathway from retina to occipital cortex) manually.

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