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Eye color pigments only vary from light brown to black. No green or blue pigments contribute to eye color. The variations you see in blue, green and hazel eyes are produced through not only a lack of dark pigmentation in the stroma but also the presence of Tyndall scattering, Rayleigh scattering and selective light absorption of certain biological molecules like hemoglobin - all this results in blue light being reflected more than red light. Kind of a cool optical trick.With blue eyes, the iris is pigmented and the stroma lacks pigmentation. Green eyes result from similar pigmentation in the iris but some light brown pigments in the stroma. Hazel eyes result from significant brown pigmentation in the iris' anterior border layer and light brown pigments in the stroma. Brown eyes contain larger amounts of pigmentation (melanin) in the stroma. A lack of pigmentation in both the stroma and iris, Albinism, produces red or violet eye colors. In summation, eye color is limited because humans only have brown pigmentation. Diversity results from the brown pigmentation range (amber to black), various distributions of pigments between the stroma and iris and Tyndall scattering in the stroma. Eye color is a polygenic trait. At least six genes are known to contribute to eye color phenotypes through at least 41
Rub a couple drops of vinegar into each glass lens. Then, wipe dry with a soft cloth; and voila %u2013 perfectly clean glasses in seconds!The acetic acid in the vinegar dissolves stuck on dirt and any oils from your skin, leaving your glasses clean and streak-free.
Sometimes burst blood vessel in eyes means you got an eye disease. Under such circumstances you should see the doctor. While if you are just got it because of lacking of sleep, What you need is to have a good rest. and youâ€˜d better arrange your time to avoid being too tired the next time.
I know there are many heard shaped sunglasses sold in the market but I am not sure if the prescription lens can also be heart shaped. Maybe you can go to your nearby store and have a ask.
There are home remedies for cataract. The primary remedy is eating carrots which are the most valuable part of cataract diet. One can eat carrots every day or have carrot juice twice a day. There is research showing that putting the extract of pumpkin flowers on the eyelids for fifteen minutes twice every day is effective. Garlic can cleanse the crystalline lens of the eyes, so more garlic should be taken on daily basis. Aniseed is also an important home remedies and should be included in the diet. Pressing your eyes gently will work. This should be done at least four times a day and 20-30 seconds a time. Try yoga, for it is said to be helpful.
Eyeliner is a part of the makeup. It will make our eyes more noticeable. Makeup will make us look more beautiful. So does the eyeliner. I haven't heard any side effect of the eyeliner if you are not allergic to makeup and choose a qualified product. But if you are a new starter, you should be careful not to get the eyeliner into your eyes.
I can assure you that, there are indeed some specially designed glasses for those who are colorblind. According to relevant experiment, such kind of glasses could help to fix their problems to some extent. There are lots of places where you can find them. Local optical stores, large optical hospitals, even from the Internet. It's not a problem, what matters is to find the right type for you.
Sometimes you can find some cheap sunglasses in summer. Have you heard about that lower the price can make a bigger profit? So sometimes the stores just use this way to broadcast their products as well as make bigger profit. But as to any physical shops, they won't sell products at lower price in best season. They will sell products at lower price in off season. So if you want to buy a pair of sunglasses online, you'd better place an order when there is some activity or celebrations hold by online stores. If you want to purchase them in any physical shops, I suggest you to buy them in off season. Though you can't wear them at that time, but you can wear them in the next summer and this can save your money.
As we all know, an eye mask often use for sleeping. It covers the area around the eyes, so it can reduce the interference of light and improve our sleep. Eye mask have other functions, too. Such as reduces swelling, relieve sinus pain and prevents a black eye. It also applies to flying , sleeping at the time enjoyed by car. But you should not tie it so tight or too loose, just comfort yourself.
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