1. Uber die Akkommodation des Auges;H, I.Helmholtz;Albrecht von Graefes Arch Klin Ophthalmol,1855
2. Le mecanisme de l'accommodation;Tscherning, M.;Ann Oculist (Paris),1904
3. The response of lens capsules in the act of accommodation;Graves, B.;Trans Am Ophthalmol Soc,1925
4. The mechanism of accommodation;Fincham, E.F.;Br J Ophthalmol,1937
5. A thin shell analysis of the human lens;O'Neill, N.D.; Doyle, J.M.;Vision Res,1968