Instructor Dr. Idrees sb

Prep by: Abdul Wasay Baloch

abdulwasay789@gmail.com

OPHTALMOLOGY

Vision System Units

Victor Hugo , Les Misrables

https://www.goodreads.com/author/show/13661.Victor_Hugohttps://www.goodreads.com/work/quotes/3208463

Unit 1 - Protection :

Orbital Rim

Eye lids

Lacrimal glands

Unit 2 Transmission of Light

Media

Cornea

Iris

Sclera

Pupil

Lens

Unit 3 transformation of light

Macula have only cones, fine vision

Rods periphery of reitna , crude vision

Unit 4 axons or nerve fibers

1 million axons in one retina

Optic pathway

Unit 5 transformation

Takes place in visual cortex, Temporal region

Basic Concept