Vision: The Eye - Retinal Circuitry

3 important questions on Vision: The Eye - Retinal Circuitry

Name the 5 classes of neurons present in the retina.

1. Photoreceptors
2. Bipolar cells
3. Ganglion cells
4. Horizontal cells
5. Amacrine cells

What is the most direct way for visual information to reach the optic nerve?

Photorecptor (rod, cones) --> Bipolar cells --> Ganglion cell

Which layers of the retina does the light pass before it reaches the photoreceptors?

First nerve fiber layer, ganglion layer,...., eventually photoreceptor outer segments where the receptors lay. The last layer is the pigment epithelium.

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