This study compared the effectiveness of Optisoap versus other commericial hand soaps in preventing protein deposition of hydrophilic contact lenses due to soap residues. Twelve clean lenses were halved, treated with Optisoap or a commercial soap, and placed in a protein solution. The lenses were inspected for protein deposits after thirty and sixty minutes. No significant difference was found between the Optisoap or the commercial soaps.
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