1. Johannes Kepler on the eye and vision.;Mark;Am J Ophthalmol,1971
2. On the Anomalies of Accommodation and Refraction of the Eye: With a Preliminary Essay on Physiological Dioptrics.;Donders,1864
3. Observations relative to the near and distant sight of different persons.;Ware;Philos Trans R Soc Lond A,1813
4. The Hygiene of the Eye in Schools.;Cohn,1886
5. Choroidal and scleral mechanisms of compensation for spectacle lenses in chicks.;Wildsoet;Vision Res,1995