Accommodation
Accommodation
- DEFINITION: The adjusting of the lens thickness to focus at different distances.
- Necessary because can only see clearly one distance at a time
- Goes very rapidly
- Closes can focus in Near Point
- Farthest can focus is Far Point
- Loose ability to focus as age - moves towards far point
- In dark accommodation moves to ~1 meter from face
- As fatigue, accommodation moves to this dark focus.