By Thomas Kohnen (Editor), Douglas D. Koch (Editor)
The second one quantity of "Cataract and Refractive surgical procedure" within the necessities in Ophthalmology sequence presents new details on cataract and refractive surgical procedure. The chapters talk about new strategies and know-how. The emphasis is on components which are swiftly evolving and necessary to subtle medical perform. The booklet has a well-structured textual content and layout, and is fast and simple to learn. It bridges the distance among basic literature and day-by-day perform. This publication may help clinicians give you the most sensible effects for his or her cataract and refractive surgical sufferers and can also be integral for non-stop schooling and complex education.
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Additional info for Cataract and Refractive Surgery 2006 Edition (Essentials in Ophthalmology)
Yu Y, Koss MC. Studies of a-adrenoceptor antagonists on sympathetic mydriasis in rabbits. J Ocul Pharmacol Ther 2003;19:255–263. 11. Akman A, Yilmaz G, Oto S, Akove Y. Comparison of various pupil dilatation methods for phacoemulsification in eyes with small pupil secondary to pseudoexfolication. Ophtalmology 2004;111:1693-1698 29 Chapter 4 Advanced Intraocular Lens Power Calculations 4 John P. Fang, Warren Hill, Li Wang, Victor Chang, Douglas D. Koch Core Messages ■ Accurate IOL power calculations are a ■ ■ ■ ■ ■ ■ crucial element for meeting the ever increasing expectations of patients undergoing cataract surgery.
The patient is asked to fixate on an internal light source to ensure axiality with the fovea. When the reflected light is received by the instrument, the axial length is calculated using a modified Michelson interferometer. There are several advantages of optical coherence biometry: 1. Unlike A-scan biometry, the optical coherence biometry can measure pseudophakic, aphakic, and phakic IOL eyes. It can also measure through silicone oil without the need for use of the velocity cenversion equation.
50 D postoperative error at the spectacle plane. A variety of technologies are available, including manual keratometry, automated keratometry, and corneal topography. 3375. The obtained values should be compared with the patient’s manifest refraction, looking for large inconsistencies in the magnitude or meridian of the astigmatism that should prompt further evaluation of the accuracy of the corneal readings. Important sources of error are corneal scars or dystrophies that create an irregular anterior corneal surface.
Cataract and Refractive Surgery 2006 Edition (Essentials in Ophthalmology) by Thomas Kohnen (Editor), Douglas D. Koch (Editor)