Skiascopy a Treatise On the Shadow Test in Its Practical Application to the Wo
Skiascopy a Treatise On the Shadow Test in Its Practical Application to the Wo
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In our eReader you can find the full English version of the book. Read Skiascopy a Treatise On the Shadow Test in Its Practical Application to the Wo Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Skiascopy a Treatise On the Shadow Test in Its Practical Application to the Wo
What reading level is Skiascopy a Treatise On the Shadow Test in Its Practical Application to the Wo book?
To quickly assess the difficulty of the text, read a short excerpt:
S, or . 4 + . Ii = . 51 in. Posterior to r. This is a trifle posterior to the center of curva- ture of the eye ball. This center changes considerably in dynamic refraction, both on account of the advance of . Y toward r, and because of the increased curvature and shortened radius of s. The center of curvature of t is anterior to /. With a radius of curvature of 6 mm. Or . 24 in, it is of course . 24 in. Forward of t. But the cornea is but . 255 in. Forward of t, hence the center of curvature of... t would be but slightly posterior to r. In the computation of above w^e determined the radius of curvature of t to be . 346, which would place its center of curva- ture anterior to r, but a more accurate calculation would prob- ably place it very near r and slightly posterior to it.
But in the calculation of the effect of each dioptric surface we have the data for locating each potential focus. The po- tential focus of the wave after refraction by r ( — ^2 Cm. ) is, as shown, 40/33 = 1. 21 posterior to r, or 1.
What to read after Skiascopy a Treatise On the Shadow Test in Its Practical Application to the Wo?
You can find similar books in the "Read Also" column, or choose other free books by George Adelmer Rogers to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
S, or . 4 + . Ii = . 51 in. Posterior to r. This is a trifle posterior to the center of curva- ture of the eye ball. This center changes considerably in dynamic refraction, both on account of the advance of . Y toward r, and because of the increased curvature and shortened radius of s. The center of curvature of t is anterior to /. With a radius of curvature of 6 mm. Or . 24 in, it is of course . 24 in. Forward of t. But the cornea is but . 255 in. Forward of t, hence the center of curvature of... t would be but slightly posterior to r. In the computation of above w^e determined the radius of curvature of t to be . 346, which would place its center of curva- ture anterior to r, but a more accurate calculation would prob- ably place it very near r and slightly posterior to it.
But in the calculation of the effect of each dioptric surface we have the data for locating each potential focus. The po- tential focus of the wave after refraction by r ( — ^2 Cm. ) is, as shown, 40/33 = 1. 21 posterior to r, or 1.
What to read after Skiascopy a Treatise On the Shadow Test in Its Practical Application to the Wo?
You can find similar books in the "Read Also" column, or choose other free books by George Adelmer Rogers to read onlineMoreLess
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