Lotmar, W Apparatus for the measurement of retinal visual acuity by moiré fringes. [electronic resource] - Investigative ophthalmology & visual science Apr 1980 - 393-400 p. digital Publication Type: Journal Article ISSN: 0146-0404 Subjects--Topical Terms: HumansInterferometry--instrumentationLightOptics and Photonics--instrumentationRetina--physiologyVision Tests--instrumentationVisual Acuity