is an eye condition causing gradual central vision changes from retinal cysts.

is a parasitic intestinal infection that usually causes watery diarrhea.

are abnormal pockets or passages affecting the mouth, jaw, or face.

is a rare genetic disorder affecting hormone production and development.

is a rare inherited mitochondrial disorder that impairs the body's energy production.

is a serious cytomegalovirus infection affecting people with weakened T-cell immunity.

is an eye infection from cytomegalovirus that can threaten vision.

is a rare inflammatory disease affecting fatty tissue under the skin.

is a rare inherited disorder causing bleeding due to platelet dysfunction.

is a very rare genetic syndrome that affects development and physical features.

is a rare genetic metabolic disorder that can affect brain development.

is a rare inherited metabolic disorder causing developmental delays, seizures, and hypotonia.

is a rare genetic disorder affecting brain development and body chemistry.

is a rare inherited disorder that causes harmful buildup of D-glyceric acid.

is a rare allergy to mannitol, a sweetener used in foods.

is a rare inherited disorder that affects brain development and movement.

is an infection of the tear sac causing pain and swelling.

is a rare genetic disorder causing tear duct inflammation and bone spots.

is a tear duct blockage causing a cyst-like swelling near birth.

is a rare genetic disorder affecting development, growth, and sometimes learning.

is a rare genetic condition affecting brain development and causing extra digits.

is a rare brain development condition affecting balance, movement, and sometimes learning.

is a rare inherited disorder affecting the heart, muscles, and sometimes learning.

is an inherited skin condition causing scaly bumps, nail changes, and flares.