LASIK Fundamentals, Surgical Techniques, and Complications - part 6 ppt

... quality while introducing a minor increase in the size of the object, all without changing the optical imaging parameters. Lasers – Applications in Science and Industry 96 1.2 Pulsed laser ... w - grating period λ - desorbing laser wave length Part 2 Laser-Matter Interaction Lasers – Applications in Science and Industry 110 Fig. 1. Laser-matter...

Ngày tải lên: 18/06/2014, 22:20

... Yan-sheng Hao and Jing Hong Part 3 Complications of Keratoplasties 99 Chapter 7 The Complications After Keratoplasty 101 Patricia Durán Ospina Keratoplasties – Surgical Techniques and Complications ... keratopathy (16%), and corneal dystrophy and degeneration (11%). In other words, the most common indication for PK was corneal scarring and Keratoplasties...

Ngày tải lên: 27/06/2014, 16:20

... of any major advancement in the treatment of spinal dis- orders. In the Renaissance, the studies of Andreas Vesalius (1514–1 564 ), the father of modern anatomy, led to a better understanding of ... dedicated to the research and treatment of spinal cord injuries ( Fig. 10c). He propagated intensive rehabilitation and sports. He also wrote a profound and epoch-making...

Ngày tải lên: 02/07/2014, 06:20

... mid degree. Ann Ophthlmol 19 79 ;11 :11 85 11 90. 70. SN Fyodorov, AA Agranovsky. Long-term results of anterior radial keratotomy. J Ocular Therapy Surg 19 82 ;1: 217 –223. 71. GO Waring III, MJ Lynn, ... Ophthalmology 19 91; 98 :11 64 11 76. 77. LJ Schiotz. Hinfall von hochgradigem Hornhautsastigmatismus nach Staarextraction, Besserung auf operativem Wege. Arch Augenheilkd 18 85 ;15 :17...

Ngày tải lên: 09/08/2014, 20:22

... Surg 1996; 12: 222 22 8. 28 . JJ Perez-Santonja, J Bellot, P Claramonte, MM Ismail, JL Alio. Laser in situ keratomileusis to correct high myopia. J Cataract Refract Surg 1997 ;23 :3 72 385. 29 . SA Helmy, ... microkeratomes are available in automated and manual forms. The automated mi- crokeratomes include the Carriazo-Barraquer and M -2 made by Moria and the Bausch and Lomb Surgi...

Ngày tải lên: 09/08/2014, 20:22

... Br J Ophthalmol 19 93; 77:75–80. 37 . BS Wachler, RR Krueger. Agreement and repeatability of infrared pupillometry and the com- parison method. Ophthalmology 1999;106 :31 9 32 3. 38 . M Colvard. Preoperative ... near future, software and hardware devel- opments, including wavefront-guided ablation, will permit more precise planning and treat- ment of a range of pre-existing and s...

Ngày tải lên: 09/08/2014, 20:22

... asymmetry (I-S value) (Ͻ1 .4 D, 1 .4 1.9 D, Ͼ1.9 D) and assigned 0, 1, and 2 points, respectively. In other words, the higher the K and I-S value mea- surement, the more severe the disease and the ... corneal power receives 1 point and the other eye receives 0 points. K Ͻ 47 .2 D, 47 .2 48 .7 D, or 48 .7 D is assigned 0, 1, or 2 points, re- spectively. I-S value Ͻ1 .4 D, 1 .4 1....

Ngày tải lên: 09/08/2014, 20:22

... Inferior Pallikaris and PRK 0.81 (suction ring) — Siganos (55 ) LASIK 0.96 (suction ring) — Mulhern et al. (50 ) PRK 0.48 Inferior LASIK 0.90 “To the left” Tsai and Lin (53 ) PRK 0.33 OD nasal/left OS— LASIK 0. 35 ... keratomileusis. J Cataract Re- fract Surg 2000;26:3 45 351 . 53 . YY Tsai, JM Lin. Ablation centration after active eye-tracker-assisted photorefractive keratec- tom...

Ngày tải lên: 09/08/2014, 20:22

... was 56% (41) and 52.5% and 39% ( 26) at 3 months postoperatively; 67 % (33), 26% (34), 27% (35), 72% ( 36) , 67 % (37), 20% and 43.75% (42), and 50% and 53.8% (29) at 6 months; and 50% and 57 .6% (32), ... at 3 months postoperatively; 20% (33), 26% (35), 35% ( 36) , 56% (37), 16% and 68 .75% (42), and 29.2% and 15.4% (29) at 6 months; and 36% (38), and 76% and...

Ngày tải lên: 09/08/2014, 20:22

... cases. Ophthalmology 19 98; 105: 183 9– 184 7; discussion 184 7– 184 8. 42. NA Chaudhry, WE Smiddy. Displacement of corneal cap during vitrectomy in a post -LASIK eye. Retina 19 98; 18: 554–555. 43. SA Melki, ... because the Postoperative Complications of LASIK 371 387 28 Optical Aberrations After LASIK SAMIR A. MELKI and CINTHIA E. PROANO Massachusetts Eye and Ear Infirmary...

Ngày tải lên: 09/08/2014, 20:22

... astigmatism. Ophthalmology 199 8;105 :93 2 94 0. 3. MC Knorz. Broad-beam versus scanning-beam lasers for refractive surgery. Ophthalmic Prac- tice 199 7;15:142–145. 4. B Wiesinger-Jendritza, MC Knorz, P ... topographic central islands following re- fractive surgery. J Cataract Refract Surg 199 8;24:464–470. 15. LB Szczotka, M Aronsky. Contact lenses after LASIK. J Am Optom Assoc 199 8; 69: 7...

Ngày tải lên: 09/08/2014, 20:22

... vision, and options for lifelong adjustment of refractive error and aberrations. 1. Safety: The sight-threatening complications of LASIK include microbial ker- atitis, keratectasia, and rare ... Ophthalmology 1998 ;105 :1721–1726. 2. R Maddox, A Hatsis. Shifting sands of the Sahara: interface inflammation following LASIK. In: HV Gimbel, EE Anderson Penno, eds. LASIK Complicatio...

Ngày tải lên: 09/08/2014, 20:22

... 0. 67 4.24 1 .79 NA NA 20/20 Webber 26 Summit ACS 6 23 1 07 5.2 1.31 8. 67 2.92 5.91 3.88 Apex Parisi 1 Chiron ACS 11 24 24 7. 67 0. 67 1.25 0 .75 NA NA Keracor (Hyper) Koay 8 Chiron ACS 6 24 71 6 .79 ... to 7. 0 D and up to 15% for myopia ranging from 7. 1 to Ϫ15.0 D. (From Ref. 13.) excimer laser was used. Refraction changed from 7. 0 0-1 .25 ϫ 60 to ϩ1.0 0-0 .75 ϫ 80 after 1...

Ngày tải lên: 10/08/2014, 20:21

Ngày tải lên: 11/08/2014, 09:21