Patients' Descriptions of Visual Sensations During Pars Plana Vitrectomy under Retrobulbar Anesthesia

Eiko Sugisaka, Kei Shinoda, Susumu Ishida, Yutaka Imamura, Yoko Ozawa, Hajime Shinoda, Kotaro Suzuki, Kazuo Tsubota, Makoto Inoue

Research output: Contribution to journalArticle

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Abstract

Purpose: To investigate the visual sensations experienced by patients during vitrectomy under retrobulbar anesthesia. Design: Cross-sectional study. Methods: Fifty-six men and 45 women with a mean age of 62.2 ± 11.9 years (range, 30 to 89 years) were studied. Twenty-two eyes had an idiopathic epiretinal membrane, 10 had an idiopathic macular hole, 29 had macular edema (16 resulting from diabetic retinopathy and 13 resulting from retinal vein occlusion), 14 had proliferative diabetic retinopathy, 13 had rhegmatogenous retinal detachment, four had proliferative vitreoretinopathy, and nine had other retinal diseases. The patients were questioned about their visual sensations during and within three hours after vitrectomy, which was performed under retrobulbar anesthesia using 2% lidocaine hydrochloride. Visual sensations perceived by the patients during surgery were reviewed. Results: Ninety-one of the 101 patients experienced some type of visual sensation during the vitrectomy. Ninety-one (90.1%) patients reported seeing lights, 73 (72.3%) patients reported seeing one or more colors, and 57 (56.4%) patients reported seeing movements or moving objects. Of these latter 57 patients, 54 saw instruments and nine (8.9%) saw the surgeon's fingers or hands. In the 94 cases that had triamcinolone-assisted vitrectomy, 35 (37.2%) reported seeing many diffuse whirling black spots. Six patients (5.9%) found the visual experiences frightening. Conclusions: Visual sensations are experienced by approximately 90% of the patients despite full pain control, and surgeons should warn patients of these possibilities because they can be frightening. This should minimize patients' anxiety and stress during the surgery.

Original languageEnglish
Pages (from-to)245-251
Number of pages7
JournalAmerican Journal of Ophthalmology
Volume144
Issue number2
DOIs
Publication statusPublished - 2007 Aug

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Temazepam
Vitrectomy
Anesthesia
Diabetic Retinopathy
Epiretinal Membrane
Proliferative Vitreoretinopathy
Triamcinolone
Retinal Vein Occlusion
Retinal Diseases
Retinal Perforations
Macular Edema
Retinal Detachment
Lidocaine
Fingers
Anxiety
Hand
Color
Cross-Sectional Studies

ASJC Scopus subject areas

  • Ophthalmology

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Patients' Descriptions of Visual Sensations During Pars Plana Vitrectomy under Retrobulbar Anesthesia. / Sugisaka, Eiko; Shinoda, Kei; Ishida, Susumu; Imamura, Yutaka; Ozawa, Yoko; Shinoda, Hajime; Suzuki, Kotaro; Tsubota, Kazuo; Inoue, Makoto.

In: American Journal of Ophthalmology, Vol. 144, No. 2, 08.2007, p. 245-251.

Research output: Contribution to journalArticle

Sugisaka, Eiko ; Shinoda, Kei ; Ishida, Susumu ; Imamura, Yutaka ; Ozawa, Yoko ; Shinoda, Hajime ; Suzuki, Kotaro ; Tsubota, Kazuo ; Inoue, Makoto. / Patients' Descriptions of Visual Sensations During Pars Plana Vitrectomy under Retrobulbar Anesthesia. In: American Journal of Ophthalmology. 2007 ; Vol. 144, No. 2. pp. 245-251.
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