1. The Astigmic lens (crossed cylinder) to determine the amount and principal meridians of astigmia

2. The Astigmic lens (crossed cylinder) to determine the amount and principal meridians of astigmia

3. The Astigmic lens (crossed cylinder) to de-termine the amount and principal meridians of astigmia

4. The Astigmic lens (crossed cylinder) to dete rmine the amount and principa l meridians of astigmia

5. Astigmic lens; he uses the Astigmic lens “to determine the amount and principal meridians of astigmia”

6. 6 The thought of ophthalmologists regarding astigmia was given a strong bent toward the conception that the Astigmic condition of an eye was permanent

7. Astigmatoscopies\p astigmatoscopy\N astigmia\N Astigmic\A astigmometer\N astigmometry\N astigmoscope\N astilbe\N astir\A Asti\N ASTM\N Astolat\N astomatous\A astonied\A astonishedly\v astonisher\N astonishingly\v astonishingness\N astonishing\A astonishment\N astonish\t Aston\N Astoria\N Astor\N astoundingly\v astounding\A