Eye & Vision Disorders

A sty is a pimple that grows on your eyelid either on the edge or on the inside. The pimple is full of white blood cells that are fighting off a bacterial infection, usually staphylococcus...

Progressive lenses, also called no-line or invisible bifocals, have multiple focal points, allowing you to read and see at many distances, not just far away and up close like regular, traditional...

Pinguecula is defined as a yellowish spot on the white of the eye. It is often located on the side of the eye closest to the nose. The spot is not a tumor but a deposit of fat and protein. It does...

Peripheral vision is what you see outside of your direct gaze. Peripheral vision in humans is better for motion than it is for the recognition of colors or shapes. A variety of neurological...

Commercially prepared tinctures for eye wash are expensive, and it's difficult to ascertain the quality of ingredients or preparation of commercial eye washes. You can make your own, though, for a...

Astigmatism is a common vision condition where the cornea or lens of your eye are not perfectly smooth. This causes blurred vision no matter the distance and can requiring corrective lenses or...

According to the American Foundation for the Blind, more than 20 million Americans report having substantial vision loss. An individual who is visually impaired has sight limitations that disrupt...

A detached retina is a serious health concern that typically affects only one of your eyes. Retinal detachment can happen to anyone at any age. Depending upon the cause, retinal tears or...

The definition of dry eyes is a lack of tears. Tears lubricate the eyes and wash out dust and particles. Dry eyes burn, sting or feel scratchy. The main causes of dry eyes are aging, a dry...

Low vision is vision loss that can't be corrected by glasses, contact lenses or surgical procedures. It may occur as the result of birth defects, injury or as a complication of disease.

Dry age-related macular degeneration (AMD) is a type of progressive eye disease that affects the light-sensitive cells in the area of your eyes responsible for vision known as the macula break...

Approximately 30 percent of people over the age of 75 suffer from wet age-related macular degeneration (AMD), according to the National Eye Institute. Wet AMD is a medical condition where the part...

The development of the contact lens dates back many centuries with inventors such as Leonardo Da Vinci exploring his ideas for contact lenses as far back as1508. Rene Descarte and Thomas Young...

Diplopia is a condition that is commonly referred to as double vision. This is distinct from blurred vision. Those with blurred vision see a blurred image of a picture. Those with diplopia see two...

Non-prescription reading glasses are similar to the reading glasses that are prescribed by a doctor, but the lenses have some differences. Prescription strength, also called power (one way to rate...

Waking up with fuzzy eyes is a common problem. Blurred vision can be caused by many things including allergies, lack of sleep, eye irritation or a more serious vision problem. Some habits or...

Glaucoma, the second most common cause of blindness, is not a single disease, according to Medline Plus, but rather a group of conditions that causes damage to the optic nerve. Most of the damage...

If you have a red and swollen area on your eyelid, you may have a sty. Sties look sort of like a pimple. While unattractive and sometimes painful, a sty usually is not a serious condition. They...

Transition lenses are photochromic optical lenses that darken when exposed to ultraviolet light. Originally it was only available in a heavy glass lens, but in 1990, lens manufacturer Transition...

Floaters are "little specks of debris floating through the vitreous fluid in the eyeball," according to AboutFloaters.com. They can look like a variety of shapes, including black spots or crooked...

Tint is applied to plastic spectacle lenses through a dyeing process, similar to coloring Easter eggs. The color is designed to be permanent and remains constant, whether it is made to be just...

In order to determine what type of eyeglasses will look best on you, you have to determine what face shape you have. There are seven face shapes that stylists use to decide what eyeglasses will...

Eye exams are designed to give you a better understanding of how well your eyes are operating. Eye doctors also give treatment for eye problems, such as eyeglasses and eye drops. In more serious...

Eyeglasses are more than a medical device or a visual tool. They are a fashion statement and an extension of your personality. There are thousands of styles and colors to choose from, and...

Colorblindness in females is rare compared to males, but it does occur. It is a cultural myth that colorblindness does not occur at all in the female population, but only due to the low odds.

Position prescription eyeglasses properly for your face and eyes to ensure accurate fit, comfort and function. Prescription eyeglasses should be centered properly in front of the eyes and fit...

Macular degeneration is an eye disease with two variations---the "dry" and the "wet" type. In the dry type, which has no treatment, central vision slowly and painlessly worsens. The wet type or...

If you notice a gradual change in your vision and find it more and more difficult to read, you likely have presbyopia, a vision condition in which the eye loses its flexibility and it becomes...

Frames come in many sizes and shapes and it is important to make sure your frame fits you properly to ensure that you get the best vision possible with your lenses. In addition to frame size, you...

You might not have to undergo expensive eye surgery to correct your vision problems. There are many eye exercises that will help improve your vision. Eye exercises won't reverse severe eye damage,...

Lasik is a 30-minute eye surgery that corrects vision imperfections and aims to leave patients without the need for contacts or glasses. The cornea is reshaped with the use of a laser.

Glare from the sun or any light causes eye discomfort and annoyance, interfering with activities enjoyment and, possibly, productivity. If you have general eye problems, you want to take...

Side shields, also called safety shields, are pieces of plastic that are usually made from a clear or opaque polycarbonate material and are used on prescription glasses to protect the eyes and...

If you get paint in your eyes, you will need to act quickly to get it out. If you take immediate action, you can prevent a trip to the doctor and potentially severe damage to your eyes. If your...

Plastic eyeglass frames can become damaged and broken. Most frames are durable but as the plastic ages, it becomes brittle and is more prone to breaking. Sudden impact or compression can cause a...

Bifocal lenses are used when you need a different prescription for reading and up close work and for seeing far away. When you get a new prescription for glasses, or if your lenses are damaged or...

Eye injuries always require immediate attention. This article will provide you with the necessary information so you can treat minor eye injuries.

Find out what to do if your eyes are itchy, swollen or have a persistent discharge. Information on eye disorders and what you should do if you have any of these symptoms.

The role of eyeliner and its use in creating eyeliners an illusion to make the eyes look larger and lively is a practice as old as hills. The Indian mythologies are replete with examples of women...

Acuvue 2 contacts are designed to be used daily or extended wear. These contacts are used to correct vision, but also have a blocking mechanism that helps prevent harmful UV radiation from...

Acuvue brand contact lenses are a type of disposable contact lenses, which have become popular in the past few decades. There are many kinds of Acuvue lenses, be it daily disposable lenses that...

Glasses are designed to sit in a specific location on your face, a certain distance from your eyes and at a certain angle. If the frame becomes out of position, the prescription in the lens can be...

The eye is a highly sensitive, delicate area that is easily prone to damage if not cared for properly. Debris in the eye is a rather common mishap, and could have a range of implications,...

Eyeglass lenses can come out of frames rather easily. Everyday use, simply taking the frames on and off, loosens the screws that hold the lenses in place. Lenses can also pop out from impact. ...

Anti-reflective (AR) coatings are applied to spectacle lenses to help reduce glare from bright lights and overhead fluorescent lights. They are especially helpful for driving at night and for...

There are many injuries you can treat yourself, but metal in the eye usually is not one of them. Getting a piece of metal or even metal dust in your eye can cause serious complications, so if...

A glasses prescription is determined by placing the lenses on a machine called a lensometer. This type of optical equipment determines a glasses prescription by reading the powers of the lenses. ...

Hollowness of the eyes refers to a condition in which the eyes are sunken or depressed into the eye socket. Those inflicted with this condition complain of a "skeletal" or tired look and often...

As our bodies age, our eyes begin to weaken, which may require reading glasses to clearly view smaller text and images. Traditionally, lined bifocal lenses were used in glasses so users could...

"Eye cold" is a nickname for the highly contagious eye condition, conjunctivitis, also called "pink eye." The infectious agent of conjunctivitis is typical of a common cold virus.