Visual acuity and the near point of accommodation in cats

Abstract The near point of accommodation was determined in four cats by measuring visual acuity at viewing distances varying from 125 to 12 cm. The near point of accommodation was taken as the closest viewing distance which just produced a decrement in grating acuity. The values obtained ranged from 25 to 36 cm and are in good agreement with physiological and optical estimates of the near point of accommodation.

[1]  M. Berkley,et al.  A universal food-paste dispenser for use with cats and other animals , 1971 .

[2]  A. Hughes,et al.  Vergence in the cat. , 1972, Vision research.

[3]  ROBERT FOX,et al.  Stereoscopic Vision in the Cat , 1971, Nature.

[4]  P. O. Bishop,et al.  VISUAL OPTICS IN THE CAT, INCLUDING POSTERIOR NODAL DISTANCE AND RETINAL LANDMARKS. , 1963, Vision research.

[5]  F. Campbell,et al.  The contrast sensitivity of the cat , 1973, The Journal of physiology.

[6]  Michael S. Loop,et al.  Temporal modulation sensitivity of the cat — I Behavioral measures , 1975, Vision Research.

[7]  M. W. Morgan,et al.  The resting state of accomodation. , 1957, American journal of optometry and archives of American Academy of Optometry.

[8]  D E Mitchell,et al.  Visual Resolution and Experience: Acuity Deficits in Cats Following Early Selective Visual Deprivation , 1973, Science.

[9]  L Maffei,et al.  Behavioural contrast sensitivity of the cat in various visual meridians , 1974, The Journal of physiology.

[10]  Frances Wilkinson,et al.  Visual resolution in young kittens , 1976, Vision Research.

[11]  Takeo Iida,et al.  The effect of pupil size on accommodation , 1976, Vision Research.

[12]  Henry A. Knoll,et al.  A brief history of "Nocturnal myopia" and related phenomena. , 1952, American journal of optometry and archives of American Academy of Optometry.

[13]  H W Leibowitz,et al.  Night myopia and the intermediate dark focus of accommodation. , 1975, Journal of the Optical Society of America.

[14]  R Blake,et al.  Visual resolution in the cat. , 1974, Vision research.

[15]  H W Leibowitz,et al.  Anomalous myopias and the intermediate dark focus of accommodation. , 1975, Science.

[16]  D. W. Watkins,et al.  Visual acuity of the cat estimated from evoked cerebral potentials. , 1971, Nature: New biology.

[17]  Karl U. Smith Visual Discrimination in the Cat: IV. The Visual Acuity of the Cat in Relation to Stimulus Distance , 1936 .

[18]  W. I. McDonald,et al.  Visual acuity of the cat , 1976, Vision Research.

[19]  C Blakemore,et al.  Saccadic and disjunctive eye movements in cats. , 1972, Vision research.