. Refraction and muscular imbalance, as simplified through the use of the ski-optometer. A B Fig. 30—(A. and B.)—First position of both Maddox rods used in conjunction with Fig. 29 for determining cyclophoria. The red Maddox rod should then bebrought into operative position before the pa-tients left eye (Fig. 30a) and the white Mad-dox rod before the patients right eye, () setting each one so that the rods lie in [94] Refraction and Muscular Imbalan ce a vertical position with their white line on thelarge red zero (0). The patient should now see two separateand distinct streaks of light


. Refraction and muscular imbalance, as simplified through the use of the ski-optometer. A B Fig. 30—(A. and B.)—First position of both Maddox rods used in conjunction with Fig. 29 for determining cyclophoria. The red Maddox rod should then bebrought into operative position before the pa-tients left eye (Fig. 30a) and the white Mad-dox rod before the patients right eye, () setting each one so that the rods lie in [94] Refraction and Muscular Imbalan ce a vertical position with their white line on thelarge red zero (0). The patient should now see two separateand distinct streaks of light, one appearingbelow the other. DETERMINING CYCLOPHORIR /?/GHn £r£ ^Eirr £/£ Fig. 31 ^9. 34 A/O CrCLO/^HO^/ff /VO CYCLOPHO/?//^ Fuj. 32 crcL op/io/^/ff Fw- 35?hCYCLOPHOP/ff Fig. n crcLOH/-<oR/n Fig. Z6CYCLOPHO/^tR Figs. 31-36—Diagram showing how streaks appear to patient, as produced by the Maddox rods in testing for cyclophoria. Should there be no cyclophoria of the righteye, the streaks will appear in a horizontalplane parallel to each other (Fig. 31). [95] Refractio


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