Minimal astigmatism after sutureless planned extracapsular cataract extraction
| Autor: | Elisha Bartov, Haggay Avizemer, Zvia Burgansky, Itzhak Isakov |
|---|---|
| Rok vydání: | 2002 |
| Předmět: |
Adult
Male medicine.medical_specialty Refractive error Eye disease Cataract Extraction Astigmatism law.invention Vision disorder Cataract extraction law Ophthalmology Humans Minimally Invasive Surgical Procedures Medicine Dioptre Aged Aged 80 and over Keratometer business.industry Suture Techniques Middle Aged medicine.disease Sensory Systems Female Surgery medicine.symptom business Surgical incision |
| Zdroj: | Journal of Cataract and Refractive Surgery. 28:499-503 |
| ISSN: | 0886-3350 |
| DOI: | 10.1016/s0886-3350(01)01263-9 |
| Popis: | Purpose To evaluate astigmatism after mini-nuc extracapsular cataract extraction (ECCE) in which a chevron incision is enlarged to 6.0 to 7.0 mm for easier nucleus removal and to compare the results with those using a 5.0 mm incision. Setting Department of Ophthalmology, The Edith Wolfson Medical Center, Sackler Faculty of Medicine, Tel-Aviv University, Holon, Israel. Methods Thirty eyes of 29 patients were enrolled in this study. Keratometry was performed preoperatively and 3 to 9 months postoperatively. The incision length was 6.0 mm in 6 eyes, 6.5 mm in 10 eyes, and 7.0 mm in 14 eyes that had mature cataract. Results The mean induced astigmatism calculated by simple subtraction was 0.12 diopter (D) ± 0.51 (SD), 0.16 ± 0.98 D, and 0.67 ± 0.91 D for the 6.0 mm, 6.5 mm, and 7.0 mm incision, respectively. By vector analysis, the mean induced astigmatism was 0.60 ± 0.30 D, 0.75 ± 0.67 D, and 1.36 ± 0.77 D, respectively. Results by both methods showed no significant difference between the previously reported 5.0 mm incision and the 6.0 mm and 6.5 mm incisions. The 7.0 mm group had statistically significantly greater induced astigmatism than the 5.0 mm group (P = .01, simple subtraction; P =.002, vector analysis). Conclusions Enlarging the size of the chevron incision up to 7.0 mm resulted in a small increase in induced astigmatism. The enlarged incision simplified the operative technique. |
| Databáze: | OpenAIRE |
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