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cornea at medicine dictionary

Uveitis

...l article >>> Inflammation of the cornea ( keratitis ) or membrane s of the eye ( uveitis ) Nerve damage Meningitis ( inflammation of the membrane s that protect the brain and spinal cord) ... Full article >>> Ocular Hypotension - Abnormally low intra ocular pr...

Transplant rejection

...ike transplantation of most other organ s, the cornea tends to have a problem with transplant rejectio... indicated in cases of severe corneal injury or cornea l infection ( corneal ulcer ) which has left the cornea scarred. Full article >>>...

Tonometry

...e network in the angle between the iris and the cornea . How is it treated? Full article >>>...orce needed to temporarily flatten a part of your cornea . Orange dye ( fluorescein ) is usually put in your eye to help your eye doctor see your cornea...

Tissue

...la; elastic layers of arteries; elastic layers of cornea ; elastic ligature; elastic limit; elastic membrane ; elasticoviscous; elastic skin ; elastic tissue ; ... Full article >>> Biopsy : To check for cancer , the doctor will remove a small piece of tissue from one of the discolored...

Tearing

...one or both eyes in the light cloudy, enlarged cornea one eye may be larger than the other vision loss ... Full article >>> - Tearing - Increased - Vision Problems Review Date : 11/14/2003 Reviewed By : Jacqueline A. Hart, M.D., Department of Internal Medicine, Newton-Wellesle...

Sunburn

...ots of water. Full article >>> The cornea takes the brunt of the damage if proper eye pro...lasses or goggles while skiing in b right sun. A cornea l flash burn (also called ultraviolet keratitis ) can be considered to be a sunburn of the eye...

Slit

... cataracts ), glaucoma , or abnormalities of the cornea . Full article >>> Slit -lamp exa...thalmic device for measuring both surfaces of the cornea , anterior lens , and iris of the eye . Mfg/Source: Orbtek, Inc.; div. of Bausch & Lomb (a J&J...

Skin infection

...Bacterial skin infection Inflammation of the cornea ( keratitis ) or membrane s of the eye ( uveitis ) Nerve damage ... Full article >>> A boil is a skin infection that starts in a hair follicle or oil gland . At first , the skin turns red in the area of the infection ,...

Sclera

...s a tough, fibrous tissue that extends from the cornea (the clear front section of the eye ) to the opt...is a clear, thin, dome-shaped tissue called the cornea . Full article >>> Sclera l buckling - First , a tiny hole is made in the sclera ...

Scaly skin

...all out. Severe cases of blepharitis scar the cornea , resulting in impaired vision . Full article >>> Red areas of raised, scaly skin —most commonly on the elbows, knees, fronts of the legs, backs of the arms, genitalia , back and scalp— are hallmarks of the disease . Full ...

Retinitis pigmentosa

... Keratoconus (progressive thinning of the central cornea , giving the cornea a conelike appearance). Retinitis pigmentosa (degenerative changes in the retina accompanied b...

Retinitis

... Keratoconus (progressive thinning of the central cornea , giving the cornea a conelike appearance). Retinitis pigmentosa (degenerative changes in the retina accompanied...

Retinopathy

..., inflammation , or injury infections of the cornea that cause scarring, distortion, or perforation ... Full article >>> Diabetic retinopathy . Diabetes can damage the blood vessels that feed the retina , putting people with the disease at high risk for blindness . Full a...

Retina

...f the brain or optic nerve , by disease of the cornea or retina , by pathological changes originating ...APHY - In this test an electrode is placed on the cornea of the eye to measure the electrical response of the rods and cones in the retina . It is useful...

Retinal detachment

...f the brain or optic nerve , by disease of the cornea or retina , by pathological changes originating ...>>> Infections , swelling of the cornea ( edema ), bleeding , retinal detachment , and the onset of glaucoma have been reported. Some p...

Refraction

...ow light waves are bent as they pass through your cornea and lens . A refraction assessment helps your doctor determine a corrective lens prescription that will give you the sharpest vision . Full article >>> Refraction The turning or bending of light waves as the light passes from...

Red eye

...aggravate. This can lead to ulcer ation of the cornea , damage to vision and even loss of the eye . Full article >>> The leading cause of a red eye is virus infection . Viral pink eye is usually associated with more of a watery discharge, not green or yellow in color, and is f...

Pupil

...ovement of your eyes , eyelids and lashes Your cornea and iris for clarity and shininess ... Full article >>> dilated pupil s warm skin and heavy sweating higher body temperature increased heart rate and blood pressure loss of appetite sleeplessness dry mouth tremo...

Ptosis

...ns of the eye before birth ), a scar on the cornea or congenital ptosis (a drooping eyelid that is present at birth ). Full article >>> Crying or complaining when one eye is covered. Squint ing or tilting the head up, down, or sideways to look at something. Cloudiness in t...

Photophobia

...hotophobia (intolerance to light), damage to the cornea (dome that forms the front of the eyeball) or dystonia (abnormal muscle rigidity causing spasm s). Full article >>> They may be very sensitive to light ( photophobia ) because their irises allow "stray" light to enter their eyes...

Perforation

...62;>> Puncture ( perforation ) of the cornea . Infection of the cornea ( bacterial keratitis ). This may occur immediately after the surgery or up to 1 to 3 years lat...

Pericarditis

...ng the brain ( meningitis ) Inflammation of the cornea causing decreased vision and eye pain ( keratitis ) Inflammation of heart muscle ( myocarditis ) or the membrane that surrounds the heart ( pericarditis ) ... Full article >>>...

Partial

...f the brain or optic nerve , by disease of the cornea or retina , by pathological changes originating in systemic disorders (e.g., diabetes ) and by cataract , glaucoma , ... Full article >>> Partial seizure s are categorized as simple or complex. A simple partial seizure ma...

Oxygen

...bacteria , into the eye and other layers of the cornea ; and (2) Provide a smooth surface that absorbs oxygen and cell nutrients from tears, ... Full article >>> coronary artery disease , hypertensive heart disease (see hypertension ), valvular insufficiency, and rheumatic heart d...

Organ

...ese components include but are not limited to the cornea , iris , pupil , lens , retina , macula , optic nerve , choroid and vitreous. Full article >>> Causes An organ ism, Calymmatobacterium granulomatis (Donovan body), that is spread via sexual intercourse with an infected perso...

Ocular

...the angle in the eye where the iris meets the cornea , and the appearance of the optic nerve are all considered in the diagnosis of glaucoma . IOP is measured with an instrument known as a tonometer. Full article >>> Intra ocular pressure slowly rises with increasing age, just as ...

Nystagmus

... Keratoconus (progressive thinning of the central cornea , giving the cornea a conelike appearance). Retinitis pigmentosa (degenerative changes in the retina accompanied b...

Night blindness

... Keratoconus (progressive thinning of the central cornea , giving the cornea a conelike appearance). Full article >>> night blindness A reduced ability to see ...

Nearsightedness

... article >>> Intacs ( intra stromal cornea l ring) Device is comprised of two thin, transpare...rings that are inserted into the periphery of the cornea , reshaping the clear tissue of the eye in order to correct myopia ( nearsightedness ) of -1.0...

Myopia

...ratotomy for myopia - series Illustrations: The cornea is the clear covering over the colored iris and pupil of the eye . The cornea and lens of the eye help focus light on the retina so that the eye can see. Update Date: 7/...

Myocarditis

...ng the brain ( meningitis ) Inflammation of the cornea causing decreased vision and eye pain ( keratitis ) Inflammation of heart muscle ( myocarditis ) ... Full article >>> encephalitis , which is an infection of the brain tissue meningitis , which is an infection of th...

Myeloma

...ll ; endothelial cyst ; endothelial dystrophy of cornea ; endothelial growth factors; endothelial leukocyte; endothelial-leukocyte adhesion molecule; endothelial myeloma ; ... Full article >>> Myeloma A malignant tumor of the bone marrow associated with the production of abnormal ...

Metabolic Diseases

...nvironmental situations may cause clouding of the cornea . Full article >>> Such children include those with chronic disorders of the heart or lungs (such as asthma and cystic fibrosis ), children who have required regular medical follow-up or hospitalization during the preceding ...

Liver enlargement

... ( liver enlargement ) Spleen enlargement Clear cornea s Echocardiogram may show thickened heart Abnormal bone x-ray s, such as thickened skull and oval vertebrae Seizures , mental retardation ... Full article >>> Liver enlargement ( hepatomegaly ) can cause a firm, irregular...

Lesion

...f the brain or optic nerve , by disease of the cornea or retina , by pathological changes originating in systemic disorders (e.g., diabetes ) and by cataract , glaucoma , or retinal detachment . Full article >>> While this period wears on, some patients develop shingles , itchy ...

Lens

...ture in the refractive surfaces—usually the cornea , less frequently the lens —of the eye . ...rocesses the images that are focused on it by the cornea and the lens . Full article >>> The tube, called a cystoscope, contains a lens an...

LASIK eye surgery

... of tissue from a part of your eye called the cornea . Full article >>> Lasik Eye Surgery - Series See all Pictures & Images Overview & Description A laser is a light beam that can be precisely focused. It is used to treat tissue s by heating the targeted cells until they "bur...

Laser therapy

... Noninvasive laser therapy which reshapes the cornea of the eye for correction of hyperopia ( farsightedness ), presbyopia (aged-related loss of focus) and overcorrection from PRK and LASIK procedures. Full article >>> Surgical treatment s include cryosurgery , electrocauteriza...

Keratitis

...atitis is an inflammation or swelling of the cornea of the eye . It may also include an infection of the cornea . The cornea is the clear, dome-shaped surface that covers the front of the eye . Full article &...

Iris

...t of the eye , which lies behind the transparent cornea . Full article >>> Iris The colored part of the eye just behind the cornea and in front of the lens that controls the amount of light sent to the retina . Lens (the crys...

Intra

...the angle in the eye where the iris meets the cornea , and the appearance of the optic nerve are all considered in the diagnosis of glaucoma . IOP is measured with an instrument known as a tonometer. Full article >>> Intra muscular . Within or into muscle . IM-862 An anti cancer ...

Inflammation

...l article >>> Inflammation of the cornea ( keratitis ) or membrane s of the eye ( uveitis ) Nerve damage Meningitis ( inflammation of the membrane s that protect the brain and spinal cord) ... Full article >>> inflammation in the knee , shoulder , elbow, wrist, ...

Incisor

... or Hutchinson's teeth ). Inflammation of the cornea , which may cause blindness (interstitial keratitis ). Full article >>> Next come the two top-center incisor s and two more lower incisor s. The first four molars and pointed (canine) teeth between the molars and incisor s ge...

In situ

...ery for nearsightedness that is done below the cornea 's surface. See LASIK/PRK Laser Surgery Glossary. Full article >>> Recurrent use in situations where it is hazardous (such as driving a car or operating machinery) Legal problems Continued use of alcohol despite having social, family...

Iatrogenic

...of medical procedures ( iatrogenic CJD), such as cornea and skin transplants and graft s of dura mater, the membrane that covers the brain. Full article >>> References Weissman DE, Haddox JD: Opioid pseudo addiction --an iatrogenic syndrome . Pain 36 (3): 363-6, 1989. [PUBMED Ab...

Hyphema

...is serious and can reduce vision and damage the cornea . In some cases, abnormally high pressure inside the eyeball ( glaucoma ) also can result. Full article >>>...

Hyperopia

...sightedness ( hyperopia ). This occurs when your cornea is curved too little or your eye is shorter fro... ( farsightedness ) astigmatism (asymmetrical cornea ) presbyopia (inability to focus on near objects that develops with age) ... Full article >&...

Hypermobile joints

...Dislocation of lens (ectopia lentis) Malformed cornea (flat) Retinal detachment ... Full article >>> Lomotil Overdose Long Bones Loose Bowel Movement s ( Diarrhea ) Loose Joints ( Hypermobile Joints ) Lorcet (Hydrocodone and Acetaminophen Overdose ) ... Full article >>...

Herpesvirus

... DENDRIFORM KERATITIS - Inflammation of the cornea (and conjunctiva ) due to herpesvirus type I; ...c finding on physical examination of the eye ( cornea ) is a dendritic pattern (crystalline or tree-like pattern). Full article >>> Virus ...

Hepatomegaly

... ( liver enlargement ) Spleen enlargement Clear cornea s Echocardiogram may show thickened heart Abnormal bone x-ray s, such as thickened skull and oval vertebrae Seizures , mental retardation ... Full article >>> Hepatomegaly Hereditary motor and sensory neuropathy Hered...

Hand tremor

...d bulging eyes . Full article >>> cornea l contact lenses or soft hydrophilic contact lenses are another option, usually offering better acuity and peripheral vision than do eyeglasses. (Contact lenses may be troublesome for people who tend to get eye infections or have hand tremor s...

Fluorescein

... in your eye to help your eye doctor see your cornea . The dye washes out with your tears. You'll also ...mp, your doctor moves the tonometer to touch your cornea . Full article >>> If your doctor suspects a problem with the blood vessels in your...

Flood

... Full article >>> particularly the cornea (the clear window of tissue on the front of the eyeball), can be damaged easily by exposure to ultraviolet radiation from the sun and from other sources of ultraviolet light, such as a welder's arc, a photographer's flood ... Full article >...

Farsightedness

...ithout touching the eye , the laser reshapes the cornea by placing 16 tiny spots on the outside of the cornea . Full article >>> The eye doctor can determine if you have nearsightedness , far...

Eyes

...a ) covers the entire eye , except for the clear cornea at the front and the optic nerve at the back. ...rticle >>> Eyes , particularly the cornea (the clear window of tissue on the front of the eyeball), can be damaged easily by exposure to ul...

Eye Problems

... herpes keratitis , unstable refractive error, cornea l disease /scarring, or cataract / glaucoma ... Full article >>> Common eye problems are nearsightedness and dislocation of the lens of the eye . Full article >>> Headaches and eye problems Colds and ...

Eye pain

...ng the brain ( meningitis ) Inflammation of the cornea causing decreased vision and eye pain ... Full article >>> Full-blown attacks cause rapid deterioration of vision , intense eye pain , redness and watering of the eye , sensitivity to b right light, haloes around lights, naus...

Eye infections

... inflammation (redness) of the eye scratched cornea a change in the shape of the cornea abnormal blood vessels growing into the normally clear cornea . Full article >>> ...

Eye Conditions

...that change how their eye looks might opt for a cornea transplant. For instance, cornea l scarring can appear grey or white. Full article >>> - Helpful herbs include eyeb ri...

Eye

...The outer layer or tunic ( sclera , or white, and cornea ) is fibrous and protective. The middle tunic laye...le >>> Eye bank: A place to store cornea s (the clear "front window" of the eye ) for use in future keratoplasty ( surgery to replace the ...
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