Age Related Macular Degenration (ARMD)

Question 1

What is the macula?

Answer 1

• The macular is an oval shaped, yellow spot located on the lateral side of optic disk near the center of the posterior wall of the retina.
• It is composed of densely innerveted cone photo receptors,it is avascular

Question 2

Contents of the macula?

Answer 2

it contains the fovea
- a region of high visual acuity due to high density of the cone photoreceptors

Question 3

When does the macula begin to degenrate?

Answer 3

On average above the age range of 50-55 the macula starts to degenarate leading to the age related macular degeneration.

Question 4

What is age related macular degeneration?

Answer 4

AMD is a degenerative disease of the retina typically leading to central vision impairment caused by deposits under the retinal pigment epithelium or neovascularization

Question 5

Classification of AMD?

Answer 5

1. dry AMD
2. wet AMD

Question 6

What is dry AMD?

Answer 6

• Also known as non-neovascular
• It is characterized by drusen which are lipid rich extra cellular deposits under the retinal pigment epithelium and atrophic changes