This question is pertaining to Anatomy and Physiology

Question

1) The disease macular degeneration is characterized by a gradual loss of vision as a result of degeneration of the macula lutea. Considering the type of cells in the macula lutea, which type of vision do you think a sufferer of macular degeneration would lose? Why?

 

2) How would the signs and symptoms differ from those in question 1 in a condition that caused degeneration of rods?

Answer 1

Macular degeneration is a disease of the eye that affects the elderly. These individuals lose central vision. There are 2 types: wet and dry.  If you know the function of the macula and what types of cells compose it, you should be able to deduct the answer. You may want to watch Khan Academy The Eye in Health and Medicine For a visual explanation.

What is the function of rods? Knowing that degeneration of the macula causes loss of central vision, what would a degeneration of rods cause?