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8. [Measurement of visual acuity with an ophthalmic table and with only one modified Landolt ring]. Manes G. Boll Soc Ital Biol Sper; 1979 Jan 30; 55(2):136-41. PubMed ID: 17955638 [Abstract] [Full Text] [Related]
9. Visual assessment with low-contrast letter charts. Ophthalmic Physiol Opt; 1986 Jan 30; 6(3):253-4. PubMed ID: 3822464 [No Abstract] [Full Text] [Related]
13. Doyne Memorial Lecture, 1978. Visual loss in patients with normal visual acuity. Arden GB. Trans Ophthalmol Soc U K (1962); 1978 Jan 30; 98(2):219-31. PubMed ID: 286452 [No Abstract] [Full Text] [Related]