Contact lenses are small plastic discs placed in the eyes to correct vision. You may choose to wear contact lenses because it is convenient and affordable. Glasses interfere when you play sports and are vulnerable to scratches. However, removing...
Millions of people worldwide wear contact lenses every day. However, these alternatives to glasses or surgery can introduce bacterial, fungal or amoebic infection into the eye, causing pain, redness and vision limitations. Infections of the...
Instead of prescription eye glasses, many people choose to wear contact lenses. Contacts offer a safe alternative to glasses, though they do require care. When a doctor prescribes contacts, he will give a detailed explanation for cleaning and...
Getting a contact lens out of your eye requires steady hands and attention to hygiene. The eye is prone to infection while wearing contact lenses. Contamination of the eye most often happens while inserting and removing contact lenses. It is...
Defend your vision so you can continue taking in the vibrant sights that surround you in full, high-definition clarity. Your eye health is directly affected by the nutrients that you put into your body, whether through dietary foods or through a...
The human eye is a spherical organ that processes the images in front of us. The eye is simultaneously delicate and sturdy, composed of many different parts and points that work together to enable your vision. Remember to treat your eyes with care...
For centuries, herbalists have used bilberry both medicinally and in food. Bilberry contains chemicals that may help prevent a number of illnesses including eye disorders such as macular degeneration and cataracts. A cataract is a cloudy film that...
While the eyes are highly specialized sense organs, they remain susceptible to many of the same types of disease processes that affect other body tissues. Infections, allergies, pollution and age-related changes commonly lead to eye disorders. Due...
Soft contact lenses are the most popular type of contact lens prescribed in the United States. Toric contacts are a type of lens that corrects for astigmatism, a common vision problem. Any type of contact lens may become dried out or feel stuck on...
When you're new to contacts, it can be intimidating to put in and remove your lenses. After you're experienced with your contact lenses, one might get lost in your eye or stuck to the surface, and it may take some patience to remove it. Before...
The human eye is often compared with a camera. Both share similar functions, according to Kellogg Eye Center at the University of Michigan. Although many of the parts of the eye and camera are comparable, certain aspects of the mechanisms of each...
Gas permeable contact lenses are rigid lenses made from materials that allow oxygen to penetrate and reach the eye. According to the U.S. Food and Drug Administration, gas permeable lenses are generally more durable and provide better vision...
Sight enables much of the interaction humans have with the environment and one another. As such, the development of blindness proves a devastating loss. The leading causes of blindness in the United States include cataracts, glaucoma and diabetic...
A cataract describes a clouding of the eye lens, which focuses images on the nerve tissue at the back of the eye. A significant cataract causes loss of visual clarity and dimmed vision. The definitive treatment for a cataract is the removal of the...
Cataracts, a clouding of the eye lens, take many years to change the natural lens inside the eye. The lens will gradually turn hard and yellow, which will affect vision. Early cataracts do not require treatment. As cataracts progress, however, a...
Cataract is an eye disease caused by the clouding of the eye lens and is characterized by loss of vision in the effected eye. This condition is a leading cause of blindness and affects approximately one in five Americans between the ages 65 and...
Cataracts afflict 22 million Americans age 40 and above, according to the American Academy of Ophthalmology, and by age 80, more than half of all Americans will have cataracts. It is believed that eating green leafy vegetables, fruits and other...
Cataracts are small collections of protein that accumulate on the eye lens causing it to be cloudy and making it difficult to see. This difficulty affects distance vision and causes problems with glare. Cataracts develop slowly but as they...
Amblyopia, also referred to as a lazy eye, is a condition where one eye experiences weak vision. The eyes work in unison to produce clear vision. At times, the brain may only use one eye and ignore the other. The neglected eye begins to weaken,...
The eyes need to breathe, just like any other body surface. Contact lenses keep the renewing movement of air from reaching the important parts of the eye, which is necessary for good vision. Even extended wear lenses should be removed regularly....
Lasik, or laser-assisted in situ keratomileusis, is a form of eye surgery used to correct astigmatism, farsightedness and nearsightedness. While most people undergoing Lasik surgery are pleased with the outcome, a small percentage of patients...
Double vision, or diplopia, arises from problems with the cornea, or the eye's window, the lens, eye muscles, the visual nerve or the brain's visual system. Double vision can be horizontal, where a picture from one eye is doubled, or vertical,...
People living with diabetes are at significantly increased risk for sight-threatening eye problems compared with nondiabetics. These problems specifically include retinopathy, cataracts and glaucoma. According to the National Eye Institute, about...
Extrinsic or extraocular muscles help track things that you look, and intrinsic or intraocular muscles control functions inside the eye. The lateral and medial extrinsic muscles control horizontal eye movement. The superior and inferior rectus,...
Cataracts, common in older people, occur when naturally occurring proteins on the eye clump together and cloud vision. This condition relates to aging, although smoking and diabetes can contribute to their development. According the National Eye...
Cataracts occur when the eye's lens gradually becomes cloudy or yellow--causing blurriness. They affect all older adults. However, many doctors follow the disease's progression hoping to postpone surgery until the cataracts interfere with...
Your driving, work and exercise routine may be interrupted after cataract surgery, but luckily about 90 percent of patients have improved vision after this quick and common procedure, according to the National Eye Institute. Allowing your eyes to...
The toxic effects of ultra violet radiation, or UVR, can injure the ocular tissues of the eye, including the cornea, lens and macula lutea, which is a minute yellowish area located near the center of the retina that constitutes the region of...
With age, many systems in the body begin to change and not function as well as they once did. This includes the eyes. However, it is important to address any changes in vision since even a slight loss of sight can lead to an increased risk of a...
Cataracts are usually age related opacities that form in the crystalline lens of the eye. Get professional tips and advice on cataracts in this video.
Astigmatism is an eye problem that optometrists can correct with the right lenses. Get professional tips and advice on eye problems and optometry in this video.
