Monitoring and evaluation of refractive error and presbyopia for Vision 2020.Published in:Clinical & Experimental Ophthalmology, 2010, v. 38, n. 3, p. 249, doi. 10.1111/j.1442-9071.2010.02210.xBy:Brian, Garry;du Toit, Rènée;Ramke, Jacqueline;Palagyi, AnnaPublication type:Article