Opthalmic Frames
Frame Selection

Prescription Considerations
Higher Minus Lenses	Higher Plus Lenses
Recommend:	Recommend:
Smaller Eyesize	Smaller Eyesize
Heavier Frame Material	Sturdy Frame Construction
Rounder Shapes	Rounder Shapes
Lightweight Lenses	Small Frame Difference
Higher Index Lens Material	Adjustable Nose Pads
Antireflection Coating	Lightweight Lenses
Edge Coating	Higher Index Lens Material

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When presented with a prescription of higher power, the competent optician must draw upon many of his/her skills to achieve a satisfactory fit and a satisfied patient. Proper frame selection is of utmost importance. The size must be kept to a minimum, and the fit of the bridge takes on added importance due to additional lens weight. The eyes should be fairly well centered in the eyewire to minimize decentration. If the lens power exceeds �7.00 diopters, vertex distance must be considered. Other options include higher index lens materials and special lens designs such as lenticular and myodisc which are designed to minimize thickness. The various lens coatings should be considered in an effort to enhance the functional as well as cosmetic value of the eyewear.