Seesaw Lens

Contact lenses worn by actors, athletes and people who don't want to wear spectacles have three principal drawbacks: 1) friction of the eye against the lens irritates the cornea, makes it difficult to wear the glasses more than eight consecutive hours; 2) high cost (up to $250); 3) fitting, which involves making a wax cast of the eyeball.

Last week in Boston, the New England Council of Optometrists looked at a new type of lens which might eliminate these difficulties. Manhattan Eyeman Dr. William Feinbloom had developed a plastic, nonbreakable lens which rocks seesaw fashion with the motion of the eye, thus forestalls cornea irritation. The new lens is available in a dozen stock models, can be fitted to any eye in a few minutes, costs $100 less than the old type.

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