drwilliamboothedr's Blog

DR WILLIAM A. BOOTHE Laser Thermal Keratoplasty (LTK) - (KER-uh-tuh-PLAS-tee) LTK is a refractive surgery treatment for mild farsightedness. A Holmium laser is used to gently and precisely heat a circular area around the edge of the cornea, so that this edge shrinks a little. The result is a steepening of the cornea, which in farsightedness is too flat. It’s also used to treat presbyopia.
LASIK DALLAS - Dr William Boothe Intraocular pressure - The pressure inside the eye. Besides containing its structures like the lens, the eye contains fluids and when the pressure builds up too high, it can gradually impair vision, a condition known as glaucoma.

Iris Registration - When we go from a sitting position to lying down, as for a LASIK treatment, our eyes move slightly. So if our eyes were measured and diagnosed for treatment while we were sitting up, how can the laser adjust for the slight change in their positions after we lie down? Iris Registration does this, and it keeps the laser targeted correctly throughout the treatment, even if our eyes move during treatment. It's a hardware addition to the VISX STAR laser system for CustomVue LASIK and was approved by the FDA
DR WILLIAM A. BOOTHE - DALLAS LASIK
DALLAS LASIK - DR BOOTHE: The wavefront system shines its specific laser into the eye briefly, and that light is reflected back from the retina, through the pupil, and on to a wavefront sensor. This is done multiple times. What began as a straight laser beam is now a distorted one, after it has passed through the irregularities of that particular eye. The wavefront system records and measures those distortions and creates a 3-D map of the eye. From this map, a treatment is developed to correct the irregularities and improve vision.
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DR. WILLIAM A. BOOTHE - LASIK
DR WILLIAM BOOTHE - LASIK SURGERY

Low Vision - Visual impairment ; usually less than 20/200 which obstructs daily activities but cannot be corrected with glasses or contact lenses.

Macula - An extra-sensitive area roughly in the center of the retina, which enables us to see fine detail and do activities such as reading. The center of the macula is the fovea, which has no nerve cells or blood vessels to interfere with vision, and this makes it the most sensitive area of the macula. It’s also the part of the eye which enables us to distinguish colors.

Dr. William Boothe
DR. BOOTHE A. - EYE SURGERY: Pachymetry - (puh-KIM-uh-tree) Testing of the cornea’s thickness, done to determine whether the cornea is strong enough for a LASIK procedure. It’s also done for some disorders where the cornea becomes thickened by excess water. The instrument used is a pachymeter.

Penetrating Keratoplasty (PK) - A corneal transplant. A full-thickness, circular piece of the cornea is removed and replaced by a similar piece from a donor. It can restore vision to an eye which had previously been blind.

DR. WILLIAM A. BOOTHE - EYE SURGERY
Food and Drug Administration - The U.S. federal agency in charge of evaluating and approving medical devices (and other things). It’s not responsible for new medical procedures, just for how the new devices are used. For example, it has approved of excimer lasers for treating nearsightedness.
DR. WILLIAM A. BOOTHE - DALLAS Radial Keratotomy (RK) - (keh-ruh-TAH-tuh-mee) A surgical treatment for myopia. A myopic eye has a cornea which is too steep, refracting light rays too much, so they land in front of the retina, instead of on it, for clear vision. To make the cornea slightly flatter, tiny incisions are placed around the pupil, angled from the pupil out to the edge of the cornea. The number of incisions and their exact location depends on the degree of myopia.



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