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- Refraction in the principal meridians of a triaxial ellipsoid: with remarks on the correction of astigmatism by cylindrical glasses, and an historical note on corneal astigmatism1
- The relative importance of astigmatism in the production of asthenopia: second paper1
- The value of Javal's ophthalmometer for the correction of astigmatism where marked amblyopia is present1
Current results range from 1883 to 1893