is a rare childhood bone disorder causing low bone density and fractures.

is a rare corneal inflammation causing pain, light sensitivity, and blurred vision.

is a rare condition causing small areas of fat loss.

is a rare eye condition causing abnormal retinal vessels and vision changes.

is a rare eye disease affecting macular blood vessels and central vision.

causes poor absorption because the body cannot make enough bile acids.

is a rare disorder causing enlarged lymph nodes and body-wide inflammation.

is a kidney condition causing persistent protein loss despite multiple treatments.

is a rare newborn heart rhythm problem causing a very fast heartbeat.

is a kidney condition causing protein loss in urine and swelling.

is a rare kidney disease with lupus-like immune deposits without lupus.

is inflammation around the optic nerve that can cause painful vision changes.

is an inherited epilepsy syndrome with a known genetic cause.

is eye inflammation affecting all layers of the uvea without known cause.

is a rare liver condition causing blood-filled spaces for unknown reasons.

is nerve damage affecting automatic body functions like blood pressure and digestion.

is a rare condition causing unexplained bone loss in fingertips and toes.

is a rare lung disease causing scarring of the lungs' upper parts.

is back-of-eye inflammation with unknown cause, affecting vision.

is rare bone loss during pregnancy or after childbirth.

is a worsening nerve disorder with no known cause affecting many nerves.

is a rare lung blood vessel disease causing high pressure in lungs.

is a rare enlargement of the lung artery without a known cause.

is a progressive lung disease causing scarring, breathlessness, and reduced oxygen.