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Optical Express Blog

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Insights from Optical Express including latest news, treatments and key information.


Ageing Eyes

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While many automatically associate aging with deteriorating and poor vision, this is not the inevitable consequence of growing older. That being said, increasing age calls for increased vigilance with regards to all eye-related matters, as eyes become more vulnerable to certain diseases and conditions.

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Eye Test Charts

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The eye chart most commonly associated with eye tests – with a largeĀ Eat the top followed by progressively smaller rows of letters, is called the Snellen Eye Chart. Named after Dutch ophthalmologist Herman Snellen, who developed the chart in 1862, it is used to this day by optometrists to measure visual acuity.

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How Is Eye Colour Determined?

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Eye colour is determined by multiple genes, though the actual number of genes involved remains unknown.

The most simplistic explanation of eye colour inheritance, using just blue and brown eyes, is as follows. You have one eye colour gene from each parent. If either or both of these genes are “brown,” you will have brown eyes. If neither is “brown,” you will have blue eyes. Remember, each of your parents has two genes from their parents as well, so it is possible for two brown-eyed parents to have a blue-eyed child. How? If each of the parents has a recessive “blue” gene that they transfer to their child. However, if both parents have blue eyes, it is impossible for them to have a brown-eyed child, as neither of them has a dominant “brown” gene.

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Guide To Sports Eyewear

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Sports can be great for the body and wreak havoc on the eyes. Regardless of whether you’re playing contact sports or going for a sunny jog in the park, it is important to be prepared for whatever hazards your eyes might encounter.

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Using And Removing Eye Makeup

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Whether throwing on a coat of mascara and under-eye concealer for work, or glitzing it up with a dramatic smoky-eye for a night out, eye makeup is a part of everyday life for most women.

In order to keep your eyes healthy, however, while enjoying all the benefits of eye makeup, it is important to keep a few tips in mind.

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