Ocular Map Lab

Lesson 2: Anatomy & Accommodation

Student:

Part 1: The Visual Pathway

Define the function of each structure in the light's journey from the world to the brain.

Cornea

Function: Protection & Initial Focus

Iris & Pupil

Function: Regulating Light Intake

Lens

Function: Accommodation / Variable Focus

Retina

Function: Transduction (Light to Nerve Impulse)

Fovea

Function: Central Focus / Visual Acuity

Hold a finger 6 inches from your face. Focus on it. Now, quickly focus on a distant object across the room.

1. What physical sensation did you notice in your eye during the shift?

Distant Object

Flat

Near Object

Round

Explain why older adults often need reading glasses based on the concept of lens flexibility: