Handbook of optics for students of ophthalmology (1899)
Souter, William Norwood, 1961-1935 · New York, Macmillan · leaf 195
^s, afteremergence, are parallel to their direction beforeentering the plate, but they undergo a lateral dis-placement due to the thickness of the glass, so thatthey all appear to come from A. Likewise, thatpart of the pencil which passes through the plate 184 OPHTHALMOMETRY AND OPHTHALMOSCOPY 185… … Fig. 50. If a convex lens be placed at L, a real image ofA will be formed at A, and an image of B willbe formed at B. A second convex lens, M, whoseprincipal focal plane is AB, will render rays fromthe image AfB parallel; and theimage will be focused on the retinawithout accommodation. If the…
Eye · Lenses
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