. The refraction of the eye; including a complete treatise on ophthalmometry; . Fig. 11. 4. Compound myopic astigmatism ivith the rule. — The verti-cal meridian is more myopic and at the same time more curved VERT. MERID,. Fig. 12. than the horizontal meridian, which latter fact makes it astig-matism with the rule. ASTIGMATISM AGAINST THE RULE 23 5. Mixed astigmatism with the rule. — The vertical meridianis myopic and focusses rays of light in front of the retina, andis more curved than the horizontal meridian which is hyper-metropic (fiat, less curved), and focusses rays back of the
. The refraction of the eye; including a complete treatise on ophthalmometry; . Fig. 11. 4. Compound myopic astigmatism ivith the rule. — The verti-cal meridian is more myopic and at the same time more curved VERT. MERID,. Fig. 12. than the horizontal meridian, which latter fact makes it astig-matism with the rule. ASTIGMATISM AGAINST THE RULE 23 5. Mixed astigmatism with the rule. — The vertical meridianis myopic and focusses rays of light in front of the retina, andis more curved than the horizontal meridian which is hyper-metropic (fiat, less curved), and focusses rays back of the astigmatism is with the rule, therefore, though mixed.
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