Khaw 4D Direct View Gonio Diagnostic Lens
LN1-OK4DG
Traditional and 1X magnification versions available. The Khaw 4D Direct View Gonio Lenses combine the most favorable features of traditional gonioprisms while providing a properly orientated view of the angle. 360 degrees of anterior chamber angle is visible with little to no lens rotation. Anterior chamber charting made easier with correct image orientation. No methylcellulose required lens design. Open Product Data Sheet