False. All squares are rhombuses, but not all rhombuses are squares. A square is a parallelogram with four congruent sides and four right angles. A rhombus is a parallelog â¦ ram with four congruent sides, but it doesn't necessarily have to have right angles. 12 people found this useful.
Age-related macular degeneration, often called AMD, usually affects older adults and results in a loss of vision in the center of the visual field (the macula) because of damage to the retina. It occurs in âdryâ and âwetâ forms, and is a major cause of blindness and visual impairment in adults over 50 years of age.
Macular Degeneration Causes. Currently, macular degeneration is recognized as the primary cause behind severe vision loss in people over the age of 60. An incurable eye disease, macular degeneration affects more than ten million Americans, which is a number that is higher than those affected by both glaucoma and cataracts combined.