Archive for May 30, 2013
Those who suffer from poor vision or visual problems may turn to LASIK eye surgery as a corrective measure. Eye LASIK surgery works by reducing or eliminating the need for contact lenses or eyeglasses. Known as laser assisted in situ karatomileusis, eye LASIK surgery grew in popularity in the mid 1990s and has continued to be a viable option for corrective eye surgery. LASIK, the most common type of refractive surgery works by altering the shape of the cornea, or the dome shaped tissue located at the front of the eye. Lasik eye surgery columbia sc and LASIK eye surgery Greenville SC works to bend or refract light rays more precisely in the retina part of the eye, as opposed to a point in front of or behind the retina. Those who are benefitting from eye lasik surgery are those who suffer from nearsightedness, also known as myopia. This is when the eyeball is longer than normal or where the cornea curves sharply. In these instances, light rays are more focused in the front of the retina, making it hard to see anything in the distance with clarity. Those who have myopia can see more clearly close up, rather than far away. Conversely, some people who choose Lasik charleston sc to correct hyperopia, known as farsightedness. This is when the eyeball is shorter or the cornea is too flat. In this instance, light focuses behind the retina, causing vision up close, and sometimes far away, to be blurry. Some people suffer from astigmatism, a case when the cornea curves or flattens. A LASIK eye center can work with patients to treat an assortment of eye issues with eye LASIK surgery.
In 1888, liquid crystals were discovered.This paved the way for liquid crystal displays (LCDs), which use linear polarisers. Linear polarisers are most commonly known as the glass part of polarising sunglasses. Today, there are several custom color LCD displays for individuals and businesses to choose from.
Custom lcds are adjustable. While cathode ray monitors have little flexibility, custom color LCD panels allow users to mount them on walls, tilt and swivel them, and adjust their height. There are several great options available through custom LCD displays.
For designs in need of a smaller lcd custom module, custom segment LCDs offer the necessary attributes. A different option, E paper displays, which are a newer custom color LCD technology, make it so that your LCD glass is capable of holding an image without using any power.