Fundamentals of Clinical Ophthalmology - part 4 docx

... prevent lagophthalmos. Full-thickness loss of upper and lower lids Reconstruction of the upper eyelid becomes much more of a challenge when additional periocular tissue and part of the lower eyelid have ... SGC consists of surgical extirpation of the tumour. With heightened appreciation of the clinical presentation of the tumour, early surgical excision significantly enha...

Ngày tải lên: 11/08/2014, 13:20

... Colour scale image of same eye shows treatment zone is decentred by 1·3 mm. 50·00 49 ·00 48 ·00 47 ·00 46 ·00 45 ·00 44 ·00 43 ·00 42 ·00 41 ·00 40 ·00 39·00 38·00 37·00 36·00 35·00 34 00 33·00 32·00 31·00 REl ... display. The height of a spike on the y-axis indicates the amplitude of an echo. The position of a spike along the x-axis of the display is dependent upon the a...

Ngày tải lên: 10/08/2014, 00:20

... scan. The key to treatment of pleomorphic adenomas is recognition, on the basis of clinical history and radiological signs, with avoidance of biopsy. Because of the long-term risk of spontaneous malignant ... fractures 151 ORBITAL TRAUMA Figure 14. 1 Coronal CT scan showing blowout fracture of the medial part of the orbital floor and inferior part of the ethmoid lamina p...

Ngày tải lên: 11/08/2014, 13:20

... the Third World 193 14 Cataract surgery: the next frontier 200 Index 208 ix Preface to the Fundamentals of Clinical Ophthalmology series This book is part of a series of ophthalmic monographs, ... time and expertise. Susan Lightman Fundamentals of Clinical Ophthalmology: Cataract Surgery Series Editor: Susan Lightman Fundamentals of Clinical Ophthalmology Cata...

Ngày tải lên: 10/08/2014, 00:20

... pregroove incision Figure 2 .4 Wound profile of Langermann’s hinge incision. 90˚ 90˚ 80˚ 45 ˚ 135˚ NO GO (4 5-8 0˚: OD / 13 5-1 70˚: OS) - surgeon cannot place incision on steep axis 135˚ 45 ˚ 180/0˚0/180˚ 90˚ Superior Superior OD OS 90˚ 180/0˚ 170˚ 0/180˚ Temporal Temporal GO - ... Architectural design of a self-sealing corneal tunnel, single-hinge incision. J Cataract Re...

Ngày tải lên: 10/08/2014, 00:20

... ahead of the tip of the phaco probe and results in an area of high temperature and high pressure, causing liquefaction of the nucleus. The process of cavitation is illustrated in Figure 4. 4. It ... size Figure 4. 4 Cavitation. 3 Fine IH, Packer M, Hoffman RS. Use of power modulations in phacoemulsification. J Cataract Refract Surg 2001;27:188–97. 4 Masket S, Crandall AS. An a...

Ngày tải lên: 10/08/2014, 00:20

... produced the SRK I regression formula. 24, 25 This formula used an BIOMETRY AND LENS IMPLANT POWER CALCULATION 79 a) 14 40 14 40 14 40 14 40 14 40 14 40 14 40 14 40 b) c) d) e) f) g) h) Figure 6.8 ... Ophthalmol 1993;231 :44 9–52. 7 Kohnen T, Koch DD. Experimental and clinical evaluation of incision size and shape following forceps and injector implantation of a three-pi...

Ngày tải lên: 10/08/2014, 00:20

... status and quality of life. Ophthalmology 1997;1 04: 589–99. 50 Cumming JS, Slade SG, Chayet A. Clinical evaluation of the model AT -4 5 silicone accommodating intraocular lens: results of feasibility ... Cataract Refract Surg 1998; 24: 840 –5. 24 McCluskey P, Harrisberg B. Long-term results using scleral-fixated posterior chamber intraocular lenses. J Cataract Refract Surg 19 9...

Ngày tải lên: 10/08/2014, 00:20

... series of mixed patterns of uveitis report that 80–90% of eyes achieve a visual acuity of 6/12 or better. 24, 30 ,42 ,46 It is important to advise uveitis patients considering cataract surgery of the ... Ophthalmol 19 94; 2 54: 45–7. 8 Edmeades RA. Topical anaesthesia for cataract surgery. Anaesth Intensive Care 1995;23:123. 9 Hamilton RC. The prevention of complications of re...

Ngày tải lên: 10/08/2014, 00:20

... 1990;21:339 45 . 113 Smith MF, Sherwood MB, Doyle JW, Khaw PT. Results of intra-operative 5-fluorouracil supplementation on trabeculectomy for open-angle glaucoma. Am J Ophthalmol 1992;1 14: 737 41 . 1 14 Donoso ... Effect of heparin surface modification of polymethylmethacrylate intraocular lenses on signs of post-operative inflammation after extracapsular cataract extraction. Opht...

Ngày tải lên: 10/08/2014, 00:20