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Optometry
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Optometrists can deal with many day to day eyecare needs
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There were 18 articles found in this category:
Contact Lenses
Contact lenses are thin, clear, disks of plastic that float on the tear film that coats the cornea, the clear front window of the eye. Contact lenses are used to correct the same conditions that eyeglasses correct: myopia (nearsightedness); hyperopia (farsightedness); astigmatism; and pres ...
Eyeglasses
Sixty percent of the 161 million Americans who wear prescription eyewear choose eyeglasses. Wearing eyeglasses is one of the simplest ways to correct vision problems. To see images clearly, light rays must focus directly on the retina, the light-sensitive nerve layer that lines the back of the ...
Complete Eye Examination
A complete eye examination does more than determine how clearly you see from a distance and which lens prescription, if necessary, will give you the best possible vision. Your ophthalmologist (Eye M.D.) or optometrist will also run a number of tests to check the health and function of your entir ...
Refractive Errors
Refractive errors occur when light does not focus properly on the retina because of the shape of the eye. The resulting image is blurred. Common refractive errors are myopia (nearsightedness), hyperopia (farsightedness), astigmatism (distorted vision), and presbyopia (aging eyes). &am ...
Visión de los Bebés
Los bebés nacen con una visión baja pero pueden ver caras a corta distancia, inclusive en el cuarto de recién nacidos en el hospital. Aproximádamente a las seis semanas de nacido, un bebé puede fijar la mirada en un objeto (como una cara, por ejemplo) y manten ...
Ambliopía
La ambliopía es la visión baja en un ojo que no se desarrolló normalmente durante la niñez. Esta condición es a veces llamada “ojo perezoso” y puede ser hereditaria. Las causas principales de la ambliopía son el estrabismo, algunos errores r ...
Eyeglasses for Infants and Children
Prescriptions for eyeglasses can be measured in even the youngest and most uncooperative children by using a special instrument called a retinoscope to analyze the light reflected through the pupil from the back of the eye. Most lenses for children’s eyeglasses are made of polycarbonate ...
Eye Examination for Children
Children are examined for any rare congenital problems at birth and at each well-child examination by the primary care physician, who will check for problems that may not be apparent to the parent or child but that could have serious consequences for the child’s vision. When the child is ...
Children and Vision
Many people are confused about the importance of eyeglasses for children. Some believe that if children wear glasses when they are young, they will not need them later. Others think that wearing glasses as a child makes one dependent on them later. Neither is true. Some children need glasses be ...
Childrens Eye Safety
Accidents resulting in serious eye injury can happen to anyone, but are particularly common in children and young adults. More than 90% of all eye injuries can be prevented with appropriate supervision and protective eyewear. Goggles and face protection can prevent injuries in sports like base ...
Sunglasses
Sunglasses are popular for comfort and fashion, but now there is medical evidence supporting the use of sunglasses to protect the long-term health of the eyes by limiting their exposure to ultraviolet (UV) light. More than a dozen studies have shown that spending hours in the sun without prope ...
Living With Low Vision
Low vision is loss of eyesight that makes everyday tasks like reading, writing, crossing the street, or watching television difficult. When vision cannot be improved with eyeglasses, medicine, or surgery, people with low vision need to know how to best maintain their existing vision and best ut ...
Legal Blindness
Normal vision, or 20/20 vision, means that a person can read the smallest letters or see the pictures on an eye chart when standing 20 feet away from the chart. Some people cannot see normally even with eyeglasses or contacts because a medical condition affects their vision. These people are ca ...
Recycling Eyeglasses
The World Health Organization estimates that corrective lenses can improve the eyesight of one-fourth of the world’s population. Unfortunately, for many people a pair of eyeglasses is both unaffordable and unobtainable. The donation of old but useful eyeglasses to the needy in the US and ...
How Are Ophthalmologists, Optometrists, and Opticians Different?
Ophthalmologists (Eye M.D.s) are different from optometrists and opticians in their training and in what they can diagnose and treat. As a medical doctor, an ophthalmologist is licensed to practice medicine and surgery. He or she diagnoses and treats all eye diseases, performs eye surgery, and ...
Living With Vision Loss in One Eye
People who lose vision in one eye because of an injury or a medical condition must adapt to a narrower field of vision and loss of depth perception. They may still see small objects as well as before, assuming the other eye is normal. At first, adults who lose vision in one eye may have a few f ...
Eye Care Facts and Myths
Myth: Reading in dim light is harmful to your eyes. Fact: Although reading in dim light can make your eyes feel tired, it is not harmful. Myth: It is not harmful to watch a welder or look at the sun if you squint or look through narrowed eyelids. Fact: Even if you squint, ultraviolet light stil ...
Computer Screens
Complaints of eye discomfort and fatigue are becoming more common as the use of computer screens increases. While it is true that computer screens can cause eyestrain, there is no convincing evidence that they can harm the eyes. Some people fear that computer screens emit damaging ultraviolet ( ...
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