. The refraction of the eye; including a complete treatise on ophthalmometry; . R. E. L. E. Fig. 89. ILLUSTRATIVE CASES 205 Two days later a second test was made, which correspondedin every particular with the first. It will be noticed that the myopic portion of the glassesaccepted by the patient is very small, only .25 D., and I findin the record of the case in my case-book the following note :The — .25 D. cyl. when added to the -f .50 D. cyl. increasesthe vision more than a line, or from |^— to |-2-. Usually D. cylindrical glass does not improve vision so much, butin this case the astig
. The refraction of the eye; including a complete treatise on ophthalmometry; . R. E. L. E. Fig. 89. ILLUSTRATIVE CASES 205 Two days later a second test was made, which correspondedin every particular with the first. It will be noticed that the myopic portion of the glassesaccepted by the patient is very small, only .25 D., and I findin the record of the case in my case-book the following note :The — .25 D. cyl. when added to the -f .50 D. cyl. increasesthe vision more than a line, or from |^— to |-2-. Usually D. cylindrical glass does not improve vision so much, butin this case the astigmatism was against the rule and at an offaxis (slanting), and that may account for its marked effect inthe improvement of vision. The patient would not wear glasses for the distance, thoughthey improved the vision very much. Incidentally it may beremarked here, that many even intelligent people are contentwith poor distant vision, and will not wear glasses except fornear work. Some, because they do not wish to be botheredwith two pairs of glasses; some refusing to wear g
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