A SIMPLIFIED METHOD TO CALCULATE FRONT SURFACE RADIUS OF CONTACT LENSES.
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Contact Lenses↗
Biomedical subjects
R B MANDELL
Publications and source records attributed to R B MANDELL.
CORNEAL AREAS UTILIZED IN OPHTHALMOMETRY.
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Contact Lenses↗
Jesse Ramsden: inventor of the ophthalmometer.
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Humans↗
Myopia control with bifocal correction.
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Eyeglasses↗