Journal article

A pilot study of a system for grading of drainage blebs after glaucoma surgery

AP Wells, JG Crowston, J Marks, JF Kirwan, G Smith, JCK Clarke, R Shah, J Vieira, C Bunce, I Murdoch, PT Khaw

JOURNAL OF GLAUCOMA | LIPPINCOTT WILLIAMS & WILKINS | Published : 2004

Abstract

PURPOSE: To develop and evaluate a novel bleb grading scheme for clinical and photographic evaluation. METHOD: A system for grading bleb photographs using widely applicable parameters was designed, and reference color photographs printed. A prospective masked agreement study was undertaken comparing slit lamp examination with mono and stereo photographs; 36 eyes of 28 patients with previous glaucoma surgery were graded according to defined parameters on a 1 to 10 scale clinically at the slit lamp by four ophthalmologists and two optometrists. Standardized stereo and mono photographs of the blebs were taken on the same day. The photographs were graded at least one week later in a masked fashi..

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