Accessory Structures

Key Structures

Eyebrows

Eyelids

Conjunctiva

Lacrimal apparatus

Eyelashes

Extrinsic eye muscles

Fibrous Layer

Vascular layer

Sensory Layer - Retina

Optic Disk

Photoreceptors - Rods and Cones

Optical Chambers (Post. Seg)

Optical Chamber (Ant. Seg)

Lens

Refraction & Lens

Pathway for Light

Distant Vision Focussing

Close Vision Focussing

Problems with Refraction

Photoreception

Photopigments in Photoreceptor Cells

Rods & Cones Comparison

Excitation of Rods

Excitation of Cones

Phototransduction

Phototransduction Dark

Phototransduction Light