What is a visual field test? Share Your Story A visual field test is an important part of a routine eye exam. A visual field test is a method of measuring an individual's entire scope of vision, that is their central and peripheral (side) vision. Visual field testing maps the visual fields of each eye...
Retinal detachment facts Ophthalmologists treat retinal detachments. A retinal detachment is a separation of the retina from its attachments to the underlying tissue within the eye. Most retinal detachments are a result of a retinal break, hole, or tear. Most retinal breaks, holes, or tears are not caused by trauma (injury) but are due to...
Phakic intraocular lenses are new devices used to correct nearsightedness. These thin lenses are implanted permanently into the eye to help reduce the need for glasses or contact lenses. What are Phakic Lenses? Phakic intraocular lenses, or phakic lenses, are lenses made of plastic or silicone that are implanted into the eye permanently to reduce...
Retinitis pigmentosa facts Genetic tests can identify genes associated with retinitis pigmentosa. Retinitis pigmentosa is a bilateral inherited condition that involves both eyes. It usually starts later in life and progresses to blindness. Low-vision rehabilitation provides some help in coping with the condition, but there is no treatment or cure at this time. What is...
Retinoblastoma is a malignant tumor on the retina, the light-sensing part of the eye, and is highly curable if treated early. This type of cancer can be present in one or both eyes. What Causes Retinoblastoma? Share Your Story Our eyes begin to develop very early in the womb. Rapidly growing cells in the eye,...
Introduction Presbyopia is part of the natural aging process of the eye, and can be easily corrected. Technically, presbyopia is the loss of the eye's ability to change its focus to see objects that are near. It is not a disease. It's as natural as wrinkles, and it affects everybody at some point in life....
An illustration shows two types of styes.Source: MedicineNet Facts you should know about a sty (stye) There are two distinct types of styes: hordeolum and chalazion. Each has different causes and treatments. A hordeolum is a blockage of one of the sweat glands found in the skin of the lid and base of the eyelashes,...
Introduction to LTK Laser eye Surgery Laser thermokeratoplasty, or LTK laser eye surgery, is a new procedure used to treat farsightedness and astigmatism. During LTK laser eye surgery, a laser beam uses heat to shrink and reshape the cornea. Vision problems from farsightedness or astigmatism are corrected in a matter of seconds, without any cutting...
What is double eyelid surgery? Double eyelid surgery (Asian blepharoplasty) is a cosmetic surgery for the eyes in which a crease or fold is made in the upper eyelid. Asian people who lack a crease in their upper eyelids may seek this surgery because they believe it improves their appearance. Some believe their eyes look...
Introduction We see through the cornea, which is the clear, central part of the front surface of the eye. Normally, the cornea has a round shape, like a ball. Sometimes, however, the structure of the cornea is just not strong enough to hold this round shape. The normal pressure inside the eye makes the cornea...