Dry eyes are caused by imbalances in tear production or a decreased production of fluids. Our eyes produce tears and are then covered in a thin film that is designed to prevent dryness and provide clear vision. These tears are a mixture of water,...
Loss of eyesight is one of the most common complaints about aging. Almost everyone over the age of 40 will experience some degree of vision loss. For people who don't have cataracts, misshapen eyes, nearsightedness or farsightedness, or some other...
External eye conditions may result in damage around the eyelids or on the surface of the eye. Some conditions may cause only minor irritation, but some may result in permanent vision loss. A person who has painful or irritated eyes, or any vision...
High eye pressure is a condition that may be harmless in one person, yet lead to serious vision problems in another. Those who cannot tolerate high eye pressure may develop glaucoma, a group of progressive eye diseases which, if left untreated,...
Glaucoma is a condition that damages the optic nerve, which is the nerve that carries visual signals from the eye to the brain. Glaucoma results when pressure in the eye builds up, which then damages the nerve. According to Medline, glaucoma is...
Because the eye is filled with fluid, it also has an inherent pressure. Too much pressure can compress and damage the optic nerve, resulting in glaucoma, which leads to loss of vision. Increased eye pressure can be the result of inadequate...
Many people use eye drops such as over-the-counter artificial tears and allergy drops. Some conditions require a short round of medicated drops, while others, such as glaucoma, often require the daily use of one or more prescription eye drops....
Most people will experience some eye trouble at one time or another. Eyes can be tired, dry, bloodshot, infected or itchy, to name a few conditions. Call or see an eye-care professional for any of these problems that last more than a day or two. ...
Herpes Simplex is a viral infection transferred from person-to-person through direct contact. The virus typically affects the skin in the area where the virus enters the body, either in the mouth or in the genital area. Ocular herpes, also...
Eye drops are used to treat eye conditions and make eyes feel better. Some eye drops are prescribed by a doctor while others are available over the counter, and different types of eye drops ares targeted to specific eye problems. Determining the...
Abnormal eye pressure is also referred to as an increase in intraocular pressure or ocular hypertension. According to the International Glaucoma Association's Information Service, increased pressure in the eye multiplies a person's risk for...
Eye drops help many eye conditions and diseases. As researchers continue to improve and create new eye drops, awareness of the types of eye drops and some of the conditions these drops treat, may encourage someone to seek help for an eye...
The intricate structure of the eye, along with its sole responsibility for vision, makes routine eye exams a necessity. During an eye exam, an eye doctor can determine the health of the eyes and also watch for warning signs of problems. In...
Blurry vision may occur suddenly or may result from a gradual decline in vision. Any kind of vision change require evaluation from an eye doctor. The doctor will examine the eyes, dilating both pupils to allow a clear view into the back of the...
An allergy occurs because the body produces antibodies, called immunoglobulin E, which cause the allergy cells in the body to release histamine and other chemicals in the blood to fight the perceived invader. The chemicals released in the blood...
Eye redness may appear in a certain area of the eye, such as the corner of the eye, or throughout the white of the eye. Though a patch of redness may indicate a localized affect of a condition, the same condition may cause widespread redness on...
Allergens such as dust, pollen, pet dander and certain food products can cause allergy symptoms to develop in your chest, nose or eyes, or on your skin. If you develop eye allergy symptoms, your doctor may recommend the use of over-the-counter or...
The University of Maryland Medical Center describes an eye cold, also called pink eye or conjunctivitis, as an inflammation or infection of the membrane that lines the eyelids. This inflammation can cause the eye's blood vessels to become more...
Hyaluronic acid is a natural substance found in skin tissue, some cartilage and joint fluid, as well as in the fluid that encircles the eyes. Man-made forms of hyaluronic acid were developed beginning in the 1980s for use in rheumatology--the...
Over-the-counter eye drops offer relief for many conditions, such as dry eye and allergies. Though deemed safe, these eye drops may contain medications and many other additives that have potentially harmful effects. If you experience a...
The eyes are sensitive and fragile parts of the human anatomy. They are also one of the most important parts. Over the course of time, they can be subject to injury and conditions that can compromise your vision and lead to treatments. Eye...
An allergy to dogs can present itself in various ways, and the signs can range from mild to severe. The allergic reaction is an overreaction of the immune system to a protein found in the dog's dander, saliva or urine. A person who is allergic to...
Caffeine is a stimulant that affects the central nervous system. If you drink coffee, tea or soda, or if you eat chocolate, you likely consume some amount of caffeine. Many people have a high intake of caffeine through food and drink, and in...
Like any procedure, eye surgery comes with possible risks and complications. Complications will often vary between different procedures, but some risks may occur with each type of surgery. Before proceeding with any eye surgery, the patient should...
Red, irritated eyes not only feel uncomfortable, but people with eye redness often look tired and worn out. Though sleep deprivation may cause some redness, an eye condition may also be at fault. If red eyes do not improve within a day or two, a...
A thin fluid called aqueous fills the front of your eye, and an imbalance in the fluid may cause increased eye pressure. A high pressure can damage your optic nerve, resulting in a condition called glaucoma. If left uncontrolled, these high...
Most glaucoma eye drops cause side effects, and some effects result from the preservatives used in nearly all prescription eye drops. Many who have side effects from using glaucoma drops stop taking the medication and fail to inform their eye...
The eye is filled with a fluid called the aqueous humor. Sometimes, aqueous humor levels build up, leading to elevated pressure in the eye. This can cause the nerves that carry visual signals from the eye (the optic nerves) to become compressed...
Eye allergies are a common nuisance and can often be confused with conjunctivitis, also known as pink eye. According to the American Academy of Allergy, Asthma and Immunology, approximately 50 percent of conjunctivitis patients who see a doctor...
