Ophthalmic lenses, dioptric formulae for combined cylindrical lenses : the prism-dioptry, and other optical papers (1907)
Prentice, Charles F. (Charles Frederick), b. 1854 · Philadelphia : Keystone · leaf 63
es of the concave cylinder at 180° and of the convex cylinder at 90° it is merely necessary io reverse the axes throughout. SECTION II DIOPTRIC FORMULAFOR COMBINED CYLINDRICAL LENSES APPLICABLE FOR ALL ANGULAR DEVIATIONS OF THEIR AXES WITH SIX ORIGINAL DIAGRAMS AND ONE HALF-TONE PLATE SECTION 11… … I. DIOPTRIC FORMULA FOR COMBINED CONGENERIC CYLINDRICAL LENSES. 1. RELATIVE POSITIONS OF THE PRIMARY AND SECONDARYPLANES OF REFRACTION. In the following theorems, a prior knowledge of the established mathe-matical deductions applied to lenses for parallel rays incident in theimmediate vicinity of…
Lenses · Prisms (Ophthalmology)
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