is a bacterial infection that mainly affects people with weakened immune systems.

is a fungal infection that mainly affects people with weakened immunity.

is a behavior disorder marked by ongoing anger, arguing, and defiant behavior.

is a rare genetic bone disorder causing delayed growth and short limbs.

is a rare neurological disorder causing rapid eye movements and muscle jerks.

is an inherited condition causing gradual vision loss from optic nerve damage.

is an inherited eye disorder that causes progressive vision loss.

is an inherited condition causing vision loss from optic nerve damage.

is an inherited condition causing vision loss from optic nerve damage.

is an inherited eye condition causing progressive vision loss.

is an inherited disorder causing progressive vision loss from optic nerve damage.

is an inherited condition that damages the optic nerve and reduces vision.

is an inherited condition causing optic nerve damage and vision loss.

is an inherited eye disorder causing gradual vision loss, often from childhood.

is an inherited disorder causing progressive vision loss from optic nerve damage.

is a genetic condition causing optic nerve damage and progressive vision loss.

is a rare genetic condition affecting vision, movement, nerves, and development.

is a rare genetic condition causing vision loss and intellectual disability.

is an eye condition affecting the optic nerve and retina.

is an optic nerve defect present at birth that may affect vision.

are calcium-like deposits in the optic nerve that can affect vision.

is a rare, usually slow-growing tumor affecting the optic nerve.

is a condition that damages the optic nerve and can impair vision.

is a rare tumor of the nerve carrying vision to the brain.