If you have already got your eyeglasses prescription, you need to split the Add number in half, and combine that split number with the SPH to get a single vision lenses for computer use. For example, a typical prescription would look like this: OD: -1.50 -0.25 x 165 OS: -1.00 DS ADD: + 2.00 OU PD 64/62 If you would like to buy a pair of single vision computer glasses, you will have to split the Add number in half, and combine that split number with the SPH, Ignore the remaining Add and use the bigger PD 64mm. Here is the standard format: SPH CYL AXIS OD: -0.50 -0.25 165 OS: Plano DS PD 64mm Hope this helpful.
How to convert eyeglasses prescription to computer eyeglasses prescription?
March 18th, 2015 by firmoo No comments »Do Ray Ban classic eyeglasses fit every face?
March 18th, 2015 by firmoo No comments »When it comes to the RayBan classic eyeglasses, the wayfarer is most classic and the original trapezoidal frame style has made it a symbol of fashion among the masses. Many people, including men and women, desire to sport wayfarers, but the question of the most suitable face shape for the famous pair of sunglasses, crops up all the time. Wayfarers have got to be the only style of sunglasses available in the market, which are suitable for every kind of face shape. Whether an individual has an oval, round, diamond or heart shaped face, wayfarers look great and chic for all. The variety of different wayfarer designs available in the market, enable avid fans to easily find the perfect ones which flatter the shape of their face, and add a chic element to an everyday accessory.
Which eyeglass lense has more reflection, polycarbonate or hi index?
March 18th, 2015 by firmoo No comments »Generally, each lens materials can block some light from passing through the lens. This light reflects back from the lens surface, causing distractions and reducing the clarity of night vision. Conventional glass or plastic lenses or polycarbonate lens can reflect about 8 percent of light that otherwise would reach the eye. High-index lenses reflect up to 50 percent more light than conventional glass or plastic lenses/polycarbonate lens.
Where can I find RayBan eyeglasses at lowest price?
March 18th, 2015 by firmoo No comments »If you have not owned a pair of RayBan eyeglasses/sunglasses, you can take advantage of an almost 50% discount just in time for spring break at Amazon, and feel what it’s like to be a part of the legacy. Their acetate frames are lightweight yet durable, their lenses have 100% UV protection coating, and their style is unparalleled. Note that some versions are polarized and others are not, so you’ll have to choose carefully between the 30+ designs available. And, of course, you’ll make sure you are getting the real deal through the official RayBan Amazon page below. Moreover, you also can try ezcontactsusa.com where you also can find RayBan eyeglasses with lowest price.
How can I verify that my eyeglasses are blue light blocking glasses?
March 18th, 2015 by firmoo No comments »If your eyeglasses are tinted the blue-color coating, then they are able to block blue light. With blue light blocking coating, it is just the color that does it. There are no special filters, it’s just that amber color that does the job. Look up at the sky, you don’t see blue, all you see is a grayish/white sky but all other colors are vivid.
What are some home remedies for red eyes?
March 18th, 2015 by firmoo No comments »You can apply cold compress to relieve your red eyes. You just need to wet a washcloth in cold water, and then ring it out thoroughly. It will help to shrink swollen blood vessels by placing the cold compress over your closed red eyes. And you need to remember that you can’t give your red eye a good rubbing for this will make your red eyes worse.
How to Prevent Macular Degeneration Naturally?
March 18th, 2015 by firmoo No comments »You can take vitamin pills and fish oil to prevent macular degeneration for both of them is good for our eyes. I also heard that the person who has a family history of macular degeneration is at higher risk to get this kind eye disease. But you can change your habits to nurture a good healthy habit and then prevent eye disease from happening. If you are a heavy smoker, you can give up smoking. Every time when you went out, you can wear a pair of sunglasses.
What can you do to protect your eyes from a solar eclipse?
March 18th, 2015 by firmoo No comments »We know that UV radiation can cause damages to our skin. It can burn our skins. When a solar eclipse happens, the intense infrared and UV radiation will damage the retinas of our eyes. And this will be quicker than sunburn in our skin. If our eyes were exposed to a solar eclipse for a few seconds, they will suffer from permanent damage. That’s why we need to wear a pair of protective eyewear to observe a solar eclipse safely.
How to look at the sun without hurting your eyes ?
March 18th, 2015 by firmoo No comments »Sweetie, if you mean expose your bare eyes under the sunlight, I think you’d better wear a pair of sunglasses. Sunglasses can block UV coating and protect our eyes. If you mean how to observe the sun, you can make a pin-hole lens. You just need to take two pieces of cardboard and one of them should be thin. And then make a small hole in the middle of the thin piece. The hole should be as round as possible. And then hold the piece of thin cardboard between the sun and the other piece. You can observe the sun now. And if you change the distance between the two pieces of cardboard, you will get different phenomenon..
How to make eye cream with cucumbers?
March 18th, 2015 by firmoo No comments »Well, I can tell you how to make eye cream with cucumbers but you may also need to prepare other necessary products or implements. In all, they are 1 small cucumber, 1 cup plain yogurt, 3 tbsp very strong brewed green tea, 1 empty ice cube tray, teaspoon, small knife, measuring cup and mixing bowl. After having all of them at hand, you can peel the skin of the cucumber and cut it into small pieces, and then puree it in a blender and put in the mixing bowl. Then you may need to add 4 tablespoons of very strongly brewed green tea into the mixing bowl. Caffeine can help constrict the blood vessels under our eyes and green tea has very high caffeine content. That’s the reason why I suggest you to use green tea other than other kind of tea. Next, you can add 1 cup of plain yogurt in the mixing bowl. Then, you can stir them together and spoon them into ice cube tray and put them in the freezer. 15 to 20 minutes later, you can take them out and place some in a plastic bag and hold it under your eyes.