Gilley, Frank M · Boston, Allyn & Bacon · leaf 363
order tobring the image of a large object toan equally sharp focus in all its parts.The image of the arrow in Fig. 305was found to be very much curved. The lenses, L^ and L^ (Fig. 329), inthe front of the eye act like one lens.L2, however, can be made flatter ormore convex at will. When flatter,… … Fig. 329. C, the cornea.i?iZ, the retina.N, the optic nerve.Z,, aqueous humor.L2, the crystalline lens.Zs, vitreous humor,ie, the iris diaphragm.b, the blind spot.y, the yellow spot. 389. Accommodation. — From the experiments on conjugatefoci, it was found that the focus of near objects was…
Physics
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
