An American text-book of physiology . Fig. ^8.—Phakoscope Fig. 219.~Diagram explaining the change in the position of the image reflected from the anterior surfaceof the crystalline lens (Williams, after Bonders). in the directions indicated by the dotted lines ending at a, 6, and c. When theeye is accommodated for a near object the middle one of the three images movesnearer the corneal image—i. e. it changes in its direction from h to h, showingthat the anterior surface of the lens has bulged forward into the position indi- THE SENSE OF VISION. 755 catod 1)V the (lolled line. The
An American text-book of physiology . Fig. ^8.—Phakoscope Fig. 219.~Diagram explaining the change in the position of the image reflected from the anterior surfaceof the crystalline lens (Williams, after Bonders). in the directions indicated by the dotted lines ending at a, 6, and c. When theeye is accommodated for a near object the middle one of the three images movesnearer the corneal image—i. e. it changes in its direction from h to h, showingthat the anterior surface of the lens has bulged forward into the position indi- THE SENSE OF VISION. 755 catod 1)V the (lolled line. The chiinge in tlie appeariince of the images isvepreseiiteil diaurainniatieally in Figure 220. ()n the left is shown the appear-ance of the images as seen when the eye is at rest, a representing the cornealimage, b that reflected from the anterior, and c that from the posterior surfaceof the lens when the observing eye and the candle are in the position repre-
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Keywords: ., bookautho, bookcentury1800, bookdecade1890, booksubjectphysiology
