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Intraocular lens print that page


An intraocular lens (IOL) is an implanted lens in the eye , usually replacing the existing crystalline lens because it has been clouded over by a cataract , or as a form of refractive surgery to change the eye's optical power . It usually consists of a small plastic lens with plastic

Eye surgery print that page


removal of the lens may be warranted, with lost optical power usually replaced with a plastic intraocular lens (IOL). Owing to the high prevalence of cataracts, cataract extraction is the most common eye surgery. Rest after surgery is recommended. [ 2 ] [ edit ] Glaucoma surgery Main

Toric lens print that page

one usually is spherical . Toric lenses are primarily used in eyeglasses , contact lenses and intraocular lenses , to correct for astigmatism . Contents 1 Torus 2 The toric lens 2.1 Working 3 Atoric lens 4 References [ edit ] Torus A torus results when a circle | 2011/7/19 23:35:06

Blast-related ocular trauma print that page

The United States Department of Defense classifies IEDs as explosive machines that are constructed exclusively (i.e., without mass production) and result in the direct physical harm of surrounding individuals. The use of IEDs by insurgents has been the number one cause of death and injury | 2011/4/25 9:06:55

List of instruments used in ophthalmology print that page


forceps fine sharp-tipped untoothed forceps with an angulation for holding parts of the lens , the intraocular lens , 10-0 (very fine) sutures, etc. • Chalazion forceps (clamp) self-retaining with discoid ends; used to hold and prevent a chalazion from bleeding during its surgery

Corrective lens print that page


short distance in front of the eye. Contact lenses are worn directly on the surface of the eye. Intraocular lenses are surgically implanted most commonly after cataract removal, but recently for purely refractive purposes . Myopia (near-sightedness) requires a divergent lens, whereas hyperopia

Cataract surgery print that page


Following surgical removal of the natural lens, an artificial intraocular lens implant is inserted (eye surgeons say that the lens is "implanted"). Cataract surgery is generally performed by an ophthalmologist (eye surgeon) in an ambulatory (rather than inpatient) setting, in a surgical

LASIK print that page


Epi-LASIK , sub-Bowman’s Keratomileusis aka thin-flap LASIK, wavefront-guided PRK and modern intraocular lenses . LASIK may one day be replaced by Femtosecond laser intrastromal vision correction via all-femtosecond correction (like Femtosecond Lenticule Extraction , FLIVC , or IntraCOR

Cataract print that page


A cataract is a clouding that develops in the crystalline lens of the eye or in its envelope, varying in degree from slight to complete opacity and obstructing the passage of light. Early in the development of age-related cataract the power of the lens may be increased, causing near-sightedness

Ophthalmology print that page


The word ophthalmology comes from the Greek roots ophthalmos meaning eye and logos meaning word , thought, or discourse ; ophthalmology literally means "the science of eyes". "Opthomology" is a common mis-hearing or mis-remembering of the term. As a discipline, it applies to animal eyes