Axis Eye Optometric Group

EYE COLOR--HOW EYE COLOR IS DETERMINED AND CHANGES 1) How is eye color determined? Eye color is determined by two distinct factors.... The pigmentation of the eye’s iris - The iris is a muscle and the colored part of the eye. The amount of melanin present determines eye color. The scattering of light in the stroma of the iris - Rayleigh scattering is a similar phenomenon that accounts for the blueness of the sky. Blue and green pigments are not present in the iris of humans or ocular fluid. 2) Does eye color change with age? Photo courtesy of Javier Manso on Flickr Photo courtesy of Javier Manso on Flickr Yes. Most babies with European ancestry have light-colored eyes before the age of one. As a child grows, melanocytes produce melanin. Melanocytes are cells found within the iris of human eyes. Most eye color changes occur when the child is around one year old, however it can happen up to three years of age. Eye color (lightening or darkening) may change with age. This occurs in 10 to 15 percent of the population. However, if your eye color changes dramatically as an adult, it is important to schedule an examination with your eye doctor. Eye color changes may indicate certain diseases, such as Fuch’s heterochromic iridocyclitis, Horner’s syndrome or pigmentary glaucoma. 3) Is it possible to see emotions such as anger or love in the eyes? Yes. Certain emotions can change both the pupil size and the iris color. Pupil size gets larger in dimmer lighting and smaller in brighter lighting. When pupil size changes, pigment in the iris compress or spread apart, which can change the eye color. 4) What makes eyes green? The color of green eyes is not a result of iris pigmentation. Green eyes are due to a combination of amber or light brown pigmentation of the stroma. There is a low or moderate concentration of melanin. The green appearance is due to the Rayleigh scattering of reflected light. 5) What can I do to change my eye color? Color contact lenses are available if you want to change your eye color. There are even colored contact lenses with patterns for occasions such as Halloween. Since contact lenses are medical devices, visit your doctor of optometry for a contact lens fitting.

The following tips for avoiding digital eye strain: 1-Follow the 20-20-20 rule-Be mindful of the amount of time that is spent looking at a computer screen without taking a break. Every 20 minutes, take a 20-second break and look at something that is 20 feet away. Looking far away relaxes the focusing muscle inside the eye and reduces eye fatigue.4 2-Reduce glare-People often see reflections from objects around their computer on their computer screen. Install an anti-glare...Continue reading

VSP To Cover Google Glass The New York Times reports that Google has reached a deal with VSP, the nation’s biggest optical health insurance provider...to offer subsidized frames and prescription lenses for Google Glass, the Internet-connected eyewear. According to the Times, the two companies have created a training program for optometrists to learn how to mount the Glass device on frames and fit Glass on people’s faces. , It was explained the importance of adjusting the nose pads...so the screen is not in people’s direct field of vision.

The following tips for avoiding digital eye strain: 1-Follow the 20-20-20 rule-Be mindful of the amount of time that is spent looking at a computer screen without taking a break. Every 20 minutes, take a 20-second break and look at something that is 20 feet away. Looking far away relaxes the focusing muscle inside the eye and reduces eye fatigue.4 2-Reduce glare-People often see reflections from objects around their computer on their computer screen. Install an anti-glare...Continue reading

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VSP To Cover Google Glass The New York Times reports that Google has reached a deal with VSP, the nation’s biggest optical health insurance provider...to offer subsidized frames and prescription lenses for Google Glass, the Internet-connected eyewear. According to the Times, the two companies have created a training program for optometrists to learn how to mount the Glass device on frames and fit Glass on people’s faces. , It was explained the importance of adjusting the nose pads...so the screen is not in people’s direct field of vision.

Surgeon General Links Smoking To Additional Illnesses. Another round of evidence of tobacco’s potential to harm nearly every human organ, Acting Surgeon General Boris D. Lushniak found in a new report released Friday that smoking is a cause of liver cancer and colorectal cancer, as well as type 2 diabetes mellitus, age-related macular degeneration, erectile dysfunction and rheumatoid arthritis. He also said it can impair the immune system, worsen asthma and cause cleft ...lips and palates in fetuses, while second-hand smoke exposure can cause strokes. The American Academy of Pediatrics and the American Heart Association, along with other public health and anti-tobacco groups, last week called for a ‘new national commitment’ to eliminating tobacco-related deaths. They suggested increasing tobacco taxes, more smoke-free workplace laws, stricter FDA oversight of tobacco, and aggressive advertising campaigns to help smokers quit and keep nonsmokers from lighting up. The report found smoking causes even more physical and financial damage than previously estimated, including 480,000 Americans dying each year and the lost of almost $286 billion a year in medical costs and lost productivity due to premature deaths. This is also the first time the surgeon general concluded smoking is causally linked to diabetes, colorectal cancer, and liver cancer. Thomas Frieden, director of the Centers for Disease Control and Prevention, said, Amazingly, smoking is even worse than we knew, adding, Even after 50 years, we’re still finding new ways that smoking maims and kills people.

Family Members Should Be On Lookout For Alzheimer’s. According to the National Institute on Aging, symptoms of Alzheimer’s usually appear after age 60, and it is estimated that as many as 5.1 million Americans have the disease. As families gather for the holiday season, some individuals may notice changes in a family member’s physical or cognitive health especially elderly relatives that can be the first sign of Alzheimer’s disease. According to the Alzheimer’s Associ...ation, some symptoms indicative of Alzheimer’s include memory loss that disrupts daily life; challenges in planning or solving problems; difficulty completing familiar tasks; confusion with time or place; trouble understanding visual images and special relationships; new problems with words in speaking or writing; misplacing things and losing the ability to retrace steps; decreased or poor judgment; withdrawal from work or social activities and changes in mood or personality. See more

EYE COLOR--HOW EYE COLOR IS DETERMINED AND CHANGES 1) How is eye color determined? Eye color is determined by two distinct factors.... The pigmentation of the eye’s iris - The iris is a muscle and the colored part of the eye. The amount of melanin present determines eye color. The scattering of light in the stroma of the iris - Rayleigh scattering is a similar phenomenon that accounts for the blueness of the sky. Blue and green pigments are not present in the iris of humans or ocular fluid. 2) Does eye color change with age? Photo courtesy of Javier Manso on Flickr Photo courtesy of Javier Manso on Flickr Yes. Most babies with European ancestry have light-colored eyes before the age of one. As a child grows, melanocytes produce melanin. Melanocytes are cells found within the iris of human eyes. Most eye color changes occur when the child is around one year old, however it can happen up to three years of age. Eye color (lightening or darkening) may change with age. This occurs in 10 to 15 percent of the population. However, if your eye color changes dramatically as an adult, it is important to schedule an examination with your eye doctor. Eye color changes may indicate certain diseases, such as Fuch’s heterochromic iridocyclitis, Horner’s syndrome or pigmentary glaucoma. 3) Is it possible to see emotions such as anger or love in the eyes? Yes. Certain emotions can change both the pupil size and the iris color. Pupil size gets larger in dimmer lighting and smaller in brighter lighting. When pupil size changes, pigment in the iris compress or spread apart, which can change the eye color. 4) What makes eyes green? The color of green eyes is not a result of iris pigmentation. Green eyes are due to a combination of amber or light brown pigmentation of the stroma. There is a low or moderate concentration of melanin. The green appearance is due to the Rayleigh scattering of reflected light. 5) What can I do to change my eye color? Color contact lenses are available if you want to change your eye color. There are even colored contact lenses with patterns for occasions such as Halloween. Since contact lenses are medical devices, visit your doctor of optometry for a contact lens fitting.

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