Conditions resulting in the total or partial absence of a corpus callosum in childhood a) are lethal. b) show "disconnection syndrome." c) only happen before birth. d) may be asymptomatic.

Macular degeneration is an eye disease that causes loss in the center of the field of vision. In this disease, the cone cells are the photoreceptor cells most affected. Therefore, this is a disorder involving the A) Retina B) Choroid layer C) Ciliary body D) Cornea

what are some treatments and controls for this condition as well as tests?

What kind of disorder is Jacobsen syndrome? What are symptoms?