Abstract
Many lost-time industrial eye injuries are due to small highspeed particles striking the cornea. To investigate whether contact lenses would complicate such injuries, we exposed porcine eyes fitted in vitro with rigid, hydrogel, or no contact lens to iron filings suspended in a high-speed air jet. Postexposure evaluations of 11 control eyes and 23 contact lens-wearing eyes revealed more extensive and severe corneal damage in the control group. Of the 23 contact lens-wearing eyes, fewer and less severe corneal injuries were observed among those wearing rigid lenses. Contact lenses do not increase the risk of corneal injury due to small high-speed particles striking the eye; instead, they provide additional protection from mechanical injury.
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