| Literature DB >> 1790744 |
Abstract
The circumstances which can influence the determination of the static central visual acuity are enumerated. The TNO Landolt C chart can be improved. A modified Landolt C letter chart is introduced on which the optotype is presented in 8 different positions, in vertical rows of ten per visual step above visual acuity 0.3.Mesh:
Year: 1991 PMID: 1790744 DOI: 10.1007/bf00165684
Source DB: PubMed Journal: Doc Ophthalmol ISSN: 0012-4486 Impact factor: 2.379