LASIK Fundamentals, Surgical Techniques, and Complications - part 5 ppsx
LASIK Fundamentals, Surgical Techniques, and Complications - part 5 ppsx
... 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
LASIK Fundamentals, Surgical Techniques, and Complications - part 8 ppsx
... KERATITIS, EPITHELIAL INGROWTH, AND FLAP-RELATED COMPLICATIONS Diffuse lamellar keratitis (DLK) and epithelial ingrowth are perhaps among the most feared LASIK complications, in part because corneal stromal ... keratome blade, meibomian gland secretions, glove powder, lint fibers from sur- rounding clothes, and surgical gauze. Hirst and Vandeleur (33) showed that dry methylc...
Ngày tải lên: 09/08/2014, 20:22
LASIK Fundamentals, Surgical Techniques, and Complications - part 1 docx
... keratomileusis. Advances in instru- mentation, and in research and understanding of the eye and wound healing, and constant surgical innovation, will surely keep the field changing and improving as the years ... Americans have had LASIK procedures, and predictions es- timate that 1.2 million Americans will undergo LASIK in the year 2001 (2). Some decry LASIK as a shift fro...
Ngày tải lên: 09/08/2014, 20:22
LASIK Fundamentals, Surgical Techniques, and Complications - part 2 doc
... cur- Lasers in LASIK 53 include the Moria LSK-1, the SCMD Turbokeratome by New United Development Cor- poration, and the Med-Logics Manual. The automated sliding microkeratomes (SKBM, B.B I-T-I, ... & Lomb/Chiron Moria and Schwind Model name Hansatome Carriazo-Barraquer Oscillation speed 14,000 rpm 15, 000 rpm Flap diameter 8 .5 and 9 .5 mm 7.0 mm and Ͼ Depth 160 and 180 ...
Ngày tải lên: 09/08/2014, 20:22
LASIK Fundamentals, Surgical Techniques, and Complications - part 3 pps
... design” (Tomey TMS, TechnoMed C-Scan, and Keratron) and “distant design” (EyeSys Corneal Analysis Sys- tem-2000, Humphrey Atlas, Alcon EyeMap EH-290, and Dicon CT-200). The near design units typically ... 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 surgicall...
Ngày tải lên: 09/08/2014, 20:22
LASIK Fundamentals, Surgical Techniques, and Complications - part 4 doc
... Pachymetry and Posterior Best Fit Sphere Measurements Pachymetry (m); Posterior best fit (mm); Eye groups n mean (SD) mean (SD) Controls 83 55 1 .59 (26.76) 6 .55 (0.21) Suspects 43 53 4.72 (36.03) 6 .56 ... correction of spherical and cylindrical refractive error and higher-order aberration. J Opt Soc Am A 1998; 15: 257 2– 257 9. 150 Maeda pending on the first opening of the diaphr...
Ngày tải lên: 09/08/2014, 20:22
LASIK Fundamentals, Surgical Techniques, and Complications - part 6 ppt
... 0 .51 Ϯ 0.87 1999 8. 25 mm 2 to 6.0 D 20 Nidek EC -5 0 00 3 to 6 5. 50 to 2. 75 Ϫ0.32 Ϯ 1.42 8. 25 mm 2.00 to 6.0 D D. Zadok, 45 Nidek EC -5 0 00 6 5. 5 to 2.02 Ϯ 0 .51 2000 7 .5 mm D. Zadok, 27 Nidek EC -5 0 00 ... 1998 5. 59 Ϯ 8 .50 D M. Knorz, 23 Keracor 117 C 0 to NA 1998 8 .5 mm flap 8.0 mm D. Aron-rosa 5. 1 to 10 D O. Ibrahim, 58 Nidek EC 50 00 6 3. 75 D 2. 25 1998 D Aron...
Ngày tải lên: 09/08/2014, 20:22
LASIK Fundamentals, Surgical Techniques, and Complications - part 9 doc
... as com- pared to preoperative values, and 13.7% (n ϭ 7) had a spectacle-corrected visual acuity of 20/12 .5 or better, and 47.1% (n ϭ 24) saw 20/ 15 or better after TopoLink LASIK as com- pared ... irregular corneal astigmatism using topography based flying-spot-mode excimer laser photoablation. Am J Oph- thalmol 1998;1 25: 252 – 256 . 24. B Wiesenger-Jendritza, MC Knorz, P Hugger, A...
Ngày tải lên: 09/08/2014, 20:22
LASIK Fundamentals, Surgical Techniques, and Complications - part 10 pps
... 233–234 flap complications, 351 – 356 corneal access, 356 – 357 corneal perforation, 356 flap buttonhole, 353 – 354 free cap, 354 incomplete, short or irregular flaps, 355 – 356 ocular anatomy, 352 surgeon ... undercorrec- tion after radial keratotomy. J Refract Surg 1999; 15: 424–428. 5. HV Gimbel, EE Anderson-Penno, JA van Westenbrugge, M Ferensowicz, MT Furlong. Inci- dence and...
Ngày tải lên: 09/08/2014, 20:22
Fundamentals, Surgical Techniques, and Complications - part 7 pptx
... spherical equivalent and cylinder after LASIK were Ϫ0.20 Ϯ 0.90 and 0 .50 Ϯ 0 .50 D, respectively (2). Eighty-five percent (57 eyes) were within Ϯ 1.00 D, and 67% ( 45 eyes) were within Ϯ 0 .50 D of emmetropia. ... from Ϫ4 .55 to Ϫ0.67 D after LASIK with at least 6 months follow-up. There was no statistically sig- nificant difference between 1-month and 6-month values. Mean preo...
Ngày tải lên: 10/08/2014, 20:21