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100   $a20121016d2012      uy             0
101 0 $aeng
135   $aur|n|---|||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 14$aThe mechanism of accommodation and presbyopia /$fRonald A. Schachar
210   $aAmsterdam $cKugler Publications$d2012
215   $a1 online resource (280 pages)
300   $aDescription based upon print version of record.
311 0 $a90-6299-233-1 
320   $aIncludes bibliographical references and index.
327   $a1. History of Accomodation and the Steep Profile -- 2. Mechanism of Accomodation -- 3. Aspect Ratio of Vertebrate Lenses Predicts Accommodative Amplitude -- 4. Anatomy and Physiology -- 5. Experimental Evidence -- 6. Mathematical Modeling of Accommodation -- 7. Presbyopia and Age-related Ocular Hypertension -- 8. Importance of Controlled Studies -- 9. The Steep Profile: A Fundamental Structure in the Universe -- 10. Summary.
330   $aThe human eye is a remarkable optical device. In less than a second, a young human eye can accommodate from infinity to closer than 10 cm. Accommodation occurs with minimal effort and can be rapidly repeated with no apparent evidence of fatigue. Unfortunately, maximum accommodation decreases throughout life and by the fifth decade leads to presbyopia, the inability to read at a normal working distance. Interestingly, the mechanism by which the human eye is able to adjust focus has been debated for over 300 years. No previous theory has been put forth that can account for all the physical chang
606   $aPresbyopia
615  0$aPresbyopia.
676   $a617.7/55
676   $a617.755
700   $aSchachar$b Ronald A.$f1941-$01679439
801  0$bMiAaPQ
801  1$bMiAaPQ
801  2$bMiAaPQ
906   $aBOOK
912   $a9910823000603321
996   $aThe mechanism of accommodation and presbyopia$94047667
997   $aUNINA