Titlebook: Cataract and Lens Surgery; Mehdi Shajari,Siegfried Priglinger,Wolfgang J. May Book 2023 The Editor(s) (if applicable) and The Author(s), u

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Olfactory Learning and Training MethodsOptical biometry is essential for intraocular lens (IOL) power calculation. The validity and reliability of measurement results has improved greatly over the last decades. This increased accuracy allows a more precise measurement of the eye and relatively good predictability for IOL power calculation.

說明

Implantation of Artificial Intraocular Lenses—A Brief HistoryThe first replacement of a cataractous lens by an artificial lens was performed by Sir Harold Ridley in 1949. Ever since this landmark moment, cataract surgery has been continuously evolved and today is one of the most frequently performed eye surgeries.

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EpidemiologyWhile accurate epidemiologic data for cataract are sparse and the numbers vary from country to country, cataract is widely agreed to be?a leading cause of reversible blindness worldwide.

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Medical HistoryThe preoperative examination before cataract surgery is often the first contact between doctor and patient. This should take place in a calm, empathetic and goal-oriented manner. During this conversation, a thorough clinical history should be taken—in particular a history of previous corneal surgery should be thoroughly explored.

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Assessment of Optical PhenomenaOptical phenomena can have a great impact on the subjective visual quality of life. In this chapter, the forms of dysphotopsia and the methods for testing dysphotopsia by means of questionnaires and simulations will be discussed.

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Slit Lamp ExaminationA proper slit-lamp examination prior to refractive lens surgery is of great importance for several reasons: selecting the most suitable surgical procedure, detecting potential contraindications and assessing the risk for complications. This chapter deals with relevant slit lamp findings and their consequences for lens surgery.

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