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Understanding Color Blindness
Color blindness is an eye condition where there is a malfunction or an absence of certain color-sensitive cells in the retina. This condition leads to an inability to discern certain colors. Color blindness can occur as a genetic problem but can also be caused by certain damage that can happen to the eyes, nerves or even the brain. What cause of color blindness?The primary cause of color blindness is the absence or malfunction of certain color-discerning cells in the retina. The normal eye has t…
Understanding Cataracts
A cataract is an eye condition where one or both lens of the eyes develops a cloudy appearance. Although painless, the cloudy area in the eye can gradually block light passing through the lens to the retina. The retina is the layer of nerves located at the back of the eye that detect light and send the signals to the brain to enable vision. Cataracts causing the cloudy appearance of the lens can block light to a considerable degree so as to result in vision problems. Causes of cataractsCataracts…
Understanding Farsightedness
Farsightedness or hyperopia is a visual defect where a person can see objects clearly from afar but have trouble seeing object from up close. This vision defect is caused by an imperfection in the shape of the eyeball where it becomes too short or when the lens can’t become round enough. This defect causes the inability to focus on nearby objects. As the object comes closer, the eye must try to increase its power in order to focus the image of the object on the retina. Once the power of the corn…
What Is Computer Vision Syndrome?
According to reports, about 143 million Americans work on a computer every day. 88% of that number suffers from computer eye strain. 54 million children work on a computer each day too, at home and in school. Prolonged computer use stresses a child’s eyes and can have a bad impact on a child’s vision development.Symptoms of Computer Vision Syndrome If you or your child spend two or more hours in front of a computer each day, there is likelihood that you’ll experience some degree of computer visi…
Preventing Eye Injuries at Home
“As families gather to celebrate the fourth they probably aware of the risk to their eyes from fireworks and from the sport they may engage in. But only a small percentage of eye injuries occur on the fourth of July,” says AAO spokesman Andrew Iwach, MD. The fourth of July was said to be America’s dangerous holiday. The Consumer Product Safety Commission or CPSC reported that 10,000 American were treated last year due to firework accidents. 64% out of the 10,000 citizens that was injured happene…
Amblyopia (Lazy Eye) Symptoms
What is amblyopia?Amblyopia is an eye disorder that is characterized by poor vision in an eye that is otherwise physically normal. More commonly known as “lazy eye”, this condition may arise from one eye being out of proportion to certain associated structural abnormalities of the human visual system. Amblyopia usually is a condition that affects humans during early childhood. It can be caused by either a lack or poor transmission of visual images from the eye to the brain for sustained periods….
Eye Allergies
What is eye allergy?Eye allergies happen when the eyes turn red and becomes swollen. It is the eye’s way of telling you that it is going through an allergic reaction. Like any other part of the body, the eye may also be subjected to certain states or circumstances that may cause an allergic response. The eyes may find some substances too irritating and cause an allergic reaction. Eye allergies generally affect the eye’s conjunctiva, the clear layer of skin of the eye that covers the cornea up in…
Why Are Eye Exams Important?
Having an eye examination is very important for all ages and health levels. You eye doctors does more than just checking to see if you need glasses or contacts. He or she would also determine your prescription for eyeglasses or contact lenses, as well as checking for common eye diseases. This examination also includes testing if your eyes coordinate together as a team and would even evaluate your eyes as an indicator of your overall health.As early warning for disease Adults should have their ey…
Ways to Protect Eyes from the Sun
Sunglasses have a primary task to do other than being just a fashion accessory. They are worn in order to protect the eyes from the harmful rays of the sun. As you well know, the sun’s rays contain ultraviolet light which can do some damage to your sensitive eyes. Without protection, the eyes can be damaged by the ultraviolet light in several ways. Aside from sunburn, the ultraviolet light from the sun’s rays may cause the eyes to develop cataracts or cause the degeneration of the retina. The sk…
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