Refractive Lens Surgery - part 7 ppt

... Natural IOL compared to a 4-year-old and 53-year-old human crystalline lens and a 20-diopter colorless UV-blocking IOL [ 37, 42] 16.1 Introduction The normal human crystalline lens filters not only ... degeneration. An Australian case-control study.Ophthalmol- ogy 104 :77 0 77 6 21. Delcourt C, Carriere I, Ponton-Sanchez A et al (2001) Light exposure and the risk of age-relat- ed macular...

Ngày tải lên: 10/08/2014, 00:21

... GmbH,Wiesloch Printed on acid-free paper 24/3151beu-göh 543210 ISBN-10 3-5 4 0-2 271 6-4 Springer Berlin Heidelberg New York ISBN-13 97 8-3 -5 4 0-2 271 6-8 Springer Berlin Heidelberg New York This eBook ... MD 170 0 S Mopac Austin, TX 78 74 6 -7 572 , USA H. Burkhard Dick, MD, PhD Department of Ophthalmology Johannes Gutenberg-University Langenbeckstraße 1 55131 Mainz, Germa...

Ngày tải lên: 10/08/2014, 00:21

... 15 Chapter 3 Biometry for Refractive Lens Surgery 19 3.3 Keratometry after Keratorefractive Surgery Intraocular lens power calculations for cataract and refractive lens exchange surgery have become ... Kerato- refractive Surgery 4.3.1 Background The number of patients who have had kera- torefractive surgery (radial keratotomy – RK, photorefractive keratectomy – PRK, or...

Ngày tải lên: 10/08/2014, 00:21

... of lens implantation. Mosby, St Louis, pp 159–162 4. Kammann J,Cosmar E,Walden K (1998) Vitre- ous-stabilizing, single-piece, mini-loop, plate- haptic silicone intraocular lens. J Cataract Re- fract ... de- cision to use the Crystalens in any given pa- tient? One concern regarding the Crystalens, particularly in young patients,is the possibil- ity that the lens could experience material...

Ngày tải lên: 10/08/2014, 00:21

... due to in- cision requirements, modern state-of-the-art small-incision cataract surgery is not feasi- ble.The currently available apodized ReSTOR pseudo-accommodative lens is a hybrid fold- able ... UV- 152 R.J.Cionni Fig. 16.1. Light transmission spectrum of a 4-year-old and 53-year-old human crystalline lens com- pared to a 20-diopter colorless UV-blocking IOL [ 37, 42] already improv...

Ngày tải lên: 11/08/2014, 04:20

... 0.6:10,000 [ 17] 0.005% = 0.5:10,000 [ 47] General population 0.2% = 20:10,000 [35] More than -1 0 D 0.68% = 68:10,000 [38] Aer KPE 1. 17% = 1 17: 10,000 <50 years 5.1% = 510:10,000 > ;70 years 0 .7% = 70 :10,000 [24] ... refractive correction and thereby created in practice the sub-specialty of refractive surgery. Lens- based refractive surgery was side- tracked for a ti...

Ngày tải lên: 09/08/2014, 16:21

... D Contact lens over-refraction: ∑ Refraction without contact lens: –0.25 D ∑ Contact lens base curve: 37. 75 D ∑ Contact lens power: +1 .75 D ∑ Refraction with contact lens: –1 .75 D Corneal power = 37. 75 ... years 0 .75 40 35 35 30 1.00 45 40 40 35 1.25 55 50 45 40 1.50 60 55 50 45 1 .75 65 60 55 50 2.00 70 65 60 55 2.25 75 70 65 60 2.50 80 75 70 65 2 .75 85 80 75 70 3.00 90...

Ngày tải lên: 10/08/2014, 00:21

... 1 07: 177 6– 178 1 36. Kershner RM (2000) Toric intraocular lenses for correcting astigmatism in 130 eyes (discus- sion). Ophthalmology 1 07: 178 1– 178 2 37. Rushwurm I, Scholz U, Zehetmayer M, Hansel- meyer ... sur- gery included the utilization of: contact lens- es, glasses, or refractive surgery post-cataract surgery. This spectacle dependency following cataract surgery contin...

Ngày tải lên: 10/08/2014, 00:21

... due to in- cision requirements, modern state-of-the-art small-incision cataract surgery is not feasi- ble.The currently available apodized ReSTOR pseudo-accommodative lens is a hybrid fold- able ... signifi- cance of an intact CCC, and in-the-bag place- ment of the IOL to achieve pseudo-accommo- dation. Unfortunately, it is very hard to ad- dress the ideal CCC size. A previous report [ 17...

Ngày tải lên: 10/08/2014, 00:21

... accommoda- tive IOLs will be instrumental in allowing ophthalmologists to provide not only state- of-the-art cataract surgery but also to offer refractive lens exchanges to their refractive surgery ... Hernadez E, Feuer WJ (19 87) Accommodation of an endocapsu- lar silicone lens (Phaco-Ersatz) in the nonhu- man primate. Ophthalmology 94: 471 – 477 9. Nader N (2004) Accommodating...

Ngày tải lên: 10/08/2014, 00:21