Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «E»:
Eyelids, adult ptosis of the
Eyelids, adult ptosis of the: Drooping of the
upper eyelids in adults, most
commonly due to separation of the tendon of the lid-lifting
from the eyelid. This may occur with age, after cataract or
surgery, an injury, eye tumor or a complication of other
Eyelids, congenital ptosis of the
Eyelids, congenital ptosis of the: Drooping of
the upper eyelids at birth.
The lids may droop only slightly or they may cover the
pupils and restrict
or even block vision. Moderate or severe pstosis calls
for treatment to
permit normal vision development. If not corrected,
amblyopia ("lazy ey...
Eyes, flashing lights in the
Eyes, flashing lights in the: There are a number
of causes of spontaneous
flashing light sensations in the eye. A sensation of
flashing lights can be
caused when the vitreous (the clear, jelly-like substance
that fills the
middle of the eye) shrinks and tugs on the retina. These
flashes of lig...
Eyes, glaucoma: Disease (there is more than one type)
characterized by increased pressure within the eye. Glaucoma can lead to blindness.
Glaucoma is five times more likely to occur in Blacks than in Whites. Early detection of
glaucoma is essential to the preservation of vision. Glaucoma can be trea...
Eyes, spots in front of the
Eyes, spots in front of the: Also known as "floaters", blurry spots that drift in front of the eyes but do not block vision. The blur is the result of debris from the vitreous casting a shadow on the retina. The spot is the image formed by a deposit of protein drifting about in the vitreous, the cl...
Eyetooth: An upper canine tooth which is immediately lateral to the second incisor. So-named in the mistaken belief that this tooth was connected to a branch of the nerve that supplies the eye....