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Br J Ophthalmol 2002;86:1222-1224 doi:10.1136/bjo.86.11.1222
  • Scientific correspondence

Visual results and complications of temporal incision phacoemulsification performed with the non-dominant left hand by junior ophthalmologists

  1. T Kageyama,
  2. S Yaguchi,
  3. Y Metori,
  4. M Chida,
  5. K Koizumi,
  6. T Onishi,
  7. M Ayaki
  1. Department of Ophthalmology, Showa University School of Medicine, Fujigaoka Hospital, 1-30 Fujigaoka, Aoba-ku, Yokohama, 227-8501, Japan
  1. Correspondence to: Dr Kageyama
  • Accepted 25 May 2002

Abstract

Aims: To assess the results of temporal incision phacoemulsification and aspiration performed with dominant and non-dominant hand of ophthalmology trainees.

Methods: Retrospective analysis were made of 203 surgeries with dominant hand and 207 with non-dominant by five trainees at two institutions. Trainees sat at the patient’s head, manipulating instruments with the dominant right hand for the right eye, and the non-dominant left hand for the left eye.

Results: Vitreous loss occurred in 12 (5.9%) of 203 dominant operated eyes and seven (3.4%) of 207 non-dominant operated eyes. The rate of endothelial cell loss was 6.1% (9.8%) in dominant and 7.4% (12.4%) in non-dominant. Mean ultrasound time were 1.81 (0.70) minutes in dominant and 1.78 (0.78) minutes in non-dominant. One trainee showed statistically significant excesses in incidence of vitreous loss in dominant operated eyes (8.7%, p=0.0270), and one showed statistically significant prolongation of the operation in nondominant operated eyes (26.3 minutes, p=0.0315). In all other trainees, all parameters had no difference in both sides.

Conclusions: Ophthalmology trainees could successfully learn the technique with both hands. The authors consider that the skill of the non-dominant hand may be knowledge based and that surgeons avoid mistakes by mental efforts.

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