Question

give reason we are able to read while sitting in the shade​

Answer 1

Answer:

because in shade we are able to read

Answer 2

Answer:

The retina has two types of cells that gather light: rods and cones. The rods are around the outer ring of the retina and are active in dim light. Most forms of retinis pigmentosa affect the rods first. Your night vision and your ability to see to the side  peripheral vision  go away.