Question

1. What do you notice about image distance when you see the object at various distances?

2. Doctor suggested a person to wear spectacles of lenses with -5D. What is the eye

defect that he suffers from?


3. What is meant by accommodation of eye lens?​

Answer 1

1)it's differ in shape

2)farsightedness uses a converging lens

3)Accommodation: In medicine, the ability of the eye to change its focus from distant to near objects (and vice versa). This process is achieved by the lens changing its shape. Accommodation is the adjustment of the optics of the eye to keep an object in focus on the retina as its distance from the eye varies.❤️