Well done, you just made a lens! What happens if you make the water drop bigger or smaller? What if you lift the plastic away from the paper and move your lens nearer or further from the print? What other cunning things can you do to change the way your lens works? Like all great...
There is no need to shake the bottle before use if you are using eye drops in the form of a solution. Make sure you look closely at the dropper tip to check that it is not damaged but do not touch the tip as this could contaminate the solution. Tilt your head upwards or lie down...
The most effective way to manage photophobia is with light sensitivity glasses. These glasses are specifically designed to reduce discomfort caused by bright lights; they do so by reducing the amount of light that enters the eye. There are different types of glasses for light sensitivity, so you...
Learning how to buy eyeglasses for your face shape isn't just about shape, but getting the right size for your face as well. If you've looked closely at the packaging (or sometimes the frame itself), eyeglass frames use three numbers to size. They represent the lens size, the bridge...
Your glasses might have numbers on the inside of the temple arm. These refer to the lens width, bridge width, and temple arm length. The most important measurement, frame width, will not be printed on the temple arm. You can measure it yourself using the guide below. ...
To make a lens, the first thing you need is a lens blank. Blanks are made in factories and shipped to individual labs to be made into eyeglasses. The raw lens material is poured into molds that form discs about 4 inches in diameter and between 1 and 1 1/2 inches thick. The bottom...
The great thing about homemade lens cleaners is that they are so mild that they will not damage the film coating on top of the lenses like some other cleaning agents might. However, the mildness is just enough that you can still expect it to give a good job cleaning foryour eyeglasses....
If you have someone who can assist, have them raise the lights while you look through the camera viewfinder until the light is no longer visible in the glasses lens. If raising the lights doesn’t help, try moving your key and filling the lights farther out, while keeping them relatively...
Protect your investment, and make sure to consult a trained specialist on how to maintain your glasses. Stop by yourneighborhood Pearle Vision EyeCare Centertoday with any questions you may have and our eye care experts will help you keep your eyeglasses looking and feeling as good as new....
This proved to be much better than a simple coating, which would only be about 5 microns thick and would not provide enough molecules to make the lenses sufficiently dark. This plastic lens absorption process has been popularized by Transitions, the leading manufacturer of photochromic lenses. On...