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Well, it is very normal to have this kind of situation for many people. In my opinion, there is something to do with your emotion. As we know that when we are sad, the emotion can change. And at this moment, it can produce some irritants. And then it forces the eyes to water in attempt to wash away the chemical attacker. So we can say this is a very common thing which you should not worry about. Also, you should know that tears are a defense mechanism your body uses to protect the eye and wash away the enemy attacker. So in some degree, it can be good for your eyes.
Modern photochromic lenses tend to be plastic and instead of silver chemicals they contain organic (carbon-based) molecules called naphthopyrans that react to light in a slightly different way: they subtly change their molecular structure when ultraviolet light strikes them. In this altered form, they soak up more ordinary light as it tries to pass by (technically, we say they have a different absorption spectrum), which is what makes the lenses darken. Imagine lots of molecules suddenly darkening inside a clear lens. It's a bit like closing the blinds in front of your window on a sunny day: as the slats turn, they progressively block out more and more light.You might think all of this would take quite a bit of time, but photochromic lenses respond remarkably quickly. About half the darkening happens within the first minute and they're cutting out about 80% of sunlight within 15 minutes.
It is not ok for you to take some alcohol after corneal transplant which will be bad for the recovery of your eyes. The inner stimulating irritates in the alcohol will make your eyes be weak at the recovery. Your eyes may even get sensitive to the alcohol materials. Thus, you'd better protect the eyes carefully by not drinking or smoking.
It depends, some brands designer cycling sunglasses are expensive that need hundreds of dollars. But personally, cycling sunglasses are worn for eye protection, we needn't buy brands designer one, a quality and comfortable pair is enough. As far as i know, a pair of quality pair of cycling sunglasses can range from $40.00 to over $100.00 online. And you can choose them from some sporting goods stores such as Copeland's or some sites like eBay.
I do not think it is a good idea for you to put two contacts in one case. If you do that, it is difficulty to separate the two lenses and it will be tore up. Moreover, putting two contacts in one case will cause more bacteria which will infect your eyes.
Not exactly. Many people will have a pain on neck after long time working in front of computer. However, eye twitching can be caused by eye srain and eye dry. If you stare computer in a long time, your eyes are naturally uncomfortable, especially the nerves that around the eyes. There are many other factors that will lead to eye twiching. For example, pink eye, eye infection and red eye. So if you feel eye twitching, have a rest at once and drop some basic eye drops.
It is not normal. You may feel it from the psyche. Your eyes may get dry. That is the main reason for your lighter eyes. You need to pay attention to it. You could eat more food with vitamin C which will moisture your eyes. In addition, you could also use the eyes drops to moisture the eyes.
Just Try on some glasses frames in a eyeglasses stores and pick up the best suitable one. If you don't want to buy from local store but from online shop, You can refer to your the size of your old eyeglasses. Look at the inside of your old glasses temples, you can see the sizes of the eyeglasses frames. Then you can buy new glasses refers to that frames sizes. Good luck.
1. Wash and dry your hands before you touching your children's eyes and his or her eyes. 2. let your child stand closely in front of you and ask the child loop at ceiling. 3. Put contact lens on the tip of your finger and then tip it into the eye gently into their eyes. 4. You shall ask your child blink several times to see if the lenses in the right places after you put it into her/his eyes.
Usually the high index lenses are more expensive than the common ones. The price of the high index lenses are various, ranging from $15 to $ 100. However, you'd better choose the medium and high price one which will not seem too thick. The too thick lenses will make you look nerd. Thus, you'd better choose the expensive ones.
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