Abstract
The ability of 11 commercially available eye guards (lensless and closed) and 8 piano spectacles (varying in lens thickness and material ) to prevent ocular trauma from racquetballs was evaluated. A guard was judged to be effective if the lens or frame did not shatter or dislodge after a minimum of 10 direct blows with a racquetball and if eye contact was prevented. All spectacles failed; either the lens or the frame shattered. Open eye guards permitted the ball to contact the eye or were themselves propelled into the eye. Three commercially available closed guards failed because their frames broke. Only 4 guards passed these criteria for effectiveness.

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