By Christopher J. Rapuano MD
This up to date quantity covers a couple of themes, from the technology of refractive surgical procedure to accommodative and nonaccommodative remedy of presbyopia, from sufferer overview to overseas views. It examines particular tactics in refractive surgical procedure, in addition to refractive surgical procedure in ocular and systemic illness. significant revision 2011-2012.
Read Online or Download 2011-2012 Basic and Clinical Science Course, Section 13: Refractive Surgery (Basic & Clinical Science Course) PDF
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Additional info for 2011-2012 Basic and Clinical Science Course, Section 13: Refractive Surgery (Basic & Clinical Science Course)
Ancillary Tests Corneal Topography The corneal curvature must be evaluated. Although manual keratometry readings can be quite informative, they have largely been replaced by computerized corneal top ographic analyses. Several different met hods are available to analyze the corneal curvature, including Placido disk, scanning-slit-beam, rotating Scheimpflug photography, high-frequency ultrasound, and ocular coherence tomography. ) These techniques image the cornea and provide color maps showing corneal power and/or elevation.
Laurent J, Bourque LB. Pupil size and quality of vision after LASIK. Ophthalmology. 2003;110(8):1606-16 14. Schmidt GW, Yoon M, McGwin G, Lee PP, McLeod SD. Evaluation of the relationship between ablation diameter, pupil size, and visual function with vision-specific quality-of-life measures after laser in situ keratomileusis. Arch Ophtha/mol. 2007;125(8):1037-1042. Ocular Motility. Confrontation Fields. and Ocular Anatomy Ocular motility should also be evaluated. Patients with an asymptomatic tropia or phoria may develop symptoms after refractive surgery if the change in refraction causes the motility status to break down.
38 • Refractive Surgery Dilated Fundus Examination A dilated fundus examination is also important prior to refractive surgery to ensure that the posterior segment is normal. Special attention should be given to the optic nerve (glaucoma, optic nerve drusen) and peripheral retina (retinal breaks, detachment). Patients and surgeons should realize that highly myopic eyes are at increased risk for retinal detachment (see Chapter 10), even after the refractive error has been corrected. Ancillary Tests Corneal Topography The corneal curvature must be evaluated.