Language
The cornea is the eye's transparent tissue, which is the outmost protective layer. The cornea...
The iris refers to the eye's colored structure. The iris contains two layers: the iris pigment...
The eye pupil refers to the iris pupil - it is a circular hole, located in the iris center. The...
Eye nutrition helps to maintain healthy eyes. Good nutrition can improve the eye's overall...
The following factors often cause eye injuries: flying objects, air particles, tools, chemical...
Eye fatigue is very common, due to prolonged computer-related work or watching TV. Proper...
Dry eye occurs, often due to the following factors: deficient tears, dry climates, connective...
Visual tasks such as reading, using a computer or watching television, constantly demand both...
Myopia refers to the following vision problem: the eye can clearly see close objects, but distant...
When protein buildup obstruct light rays, cataracts may occur. Because light can not clearly...
If cataracts occur, eye vision will become blurry. Regular eye exams can help to detect...
If eye fluid pressure increases too much, the fluid pressure may cause glaucoma to occur. The...
Corneal abrasions are due to the following situation: the cornea - the eye's...
Eye ecchymosis is the following situation: the eye's surrounding tissues are bruised,...
Hyphema is the following situation: the eye's anterior chamber is bleeding, often due to eye...
The eye lens is a transparent and biconvex structure. This structure helps to refract light, so...
The retina is the eye's multi-layered sensory tissue. When the light pass the eye's lens, the...
Eye muscles refer to the six extraocular muscles: medial rectus, lateral rectus, superior...
Ciliary muscle is the eye's smooth muscle, surrounding the crystalline lens. Through the...
The aqueous humor is the eye's clear liquid, containing water (99%), proteins, ions,...
Vitreous humor is the eye's transparent jelly-like tissue. It occupies most eyeball,...
Regular eye exams can detect vision issues or eye diseases. A comprehensive eye exam often...
Corrective eyewear refers to prescription glasses or reading glasses, which are used...
LASIK (known as Laser in-situ keratomileusis), is often used to correct eye vision. This...
Good hygiene can help to maintain healthy eyes. Eye hygiene usually involves the following:...
The most common eye infection is called conjunctivitis - often caused by an adenovirus....
Conjunctivitis (also known as pink eye) refers to the conjunctiva inflammation -...
Iritis, also known as anterior uveitis, refers to the iris inflammation. If the ciliary body is...
Uveitis refers to the uveal inflammation or swelling. Uveal is the eye's middle layer, which...
Keratitis refers to the microbial infections. If bacteria, fungi or external objects enter the...
The varicella-zoster virus often causes chicken pox. After chicken pox, this virus remains...
Ocular herpes is a viral infection - often due to herpes simplex virus. The herpes simplex...
Hyperopia normally means that, the eye can not clearly see close objects, but can clearly see...
Astigmatism is due to the irregular cornea curvature, also known as the refractive error....
Presbyopia usually begins at around age 40, the common symptoms may include: blurred vision,...
Color blindness is often a color vision problem. Color blindness is mostly genetically...
When the eyes can not focus on the same image, amblyopia may happen - this is also called...
Strabismus, (also called crossed-eyes), is a vision problem - the two eyes can not focus on...
When intraocular pressure becomes too high, glaucoma may occur. This occurs because, the...
Central serous retinopathy refers to the following situation: underneath the...
Corneal dystrophy refers to the following eye condition: the cornea gradually loses its...
Diabetic retinopathy is a common diabetic eye disease - it damages the retinal blood...
Ectopia lentis refers to the crystalline lens displacement - the crystalline lens is...
Epiretinal membrane refers to the thin fibrous tissue layer, covering the retina...
Keratoconus refers to the abnormal cornea curvature. Abnormal changes gradually make the...
Macula is the central portion of the retina. If macula deteriorates, it may damage...
The macula is located in the retina center, it helps to provide the clear central vision....
Retinal detachment is a very serious condition, because the retina and its supporting...
Foreign objects can easily enter the eyes, causing eye discomfort or injury. Dust, sand,...
Eyelid lacerations are often due to eye injury or facial trauma. Eyelid lacerations may...
Orbital fractures occur, usually due to eye trauma or facial injuries. Orbital fractures...
Chemicals can lead to chemical eye burns, causing eye discomfort, or in some cases, ...
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