Results 21 to 30 of about 103 (87)
Raptors lack lower-field myopia
, 1995 The presence of lower-field myopia (described in chickens, pigeons, quail and amphibians) allows these animals to keep the ground in focus while performing other visual tasks. A relationship has also been reported between the eye height and the degree of
Howland, Monica +2 more
core +1 more source
Photorefractometry and Correction of Refractive Errors
, 2022 Tato bakalářská práce se zabývá různými metodami stanovení objektivní refrakce. Nejprve jsou uvedeny historické počátky a první manuální přístroje, které k vyšetření sloužily.
Eva Jirásková
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Verhaltensphysiologische Analyse der visuellen Wahrnehmung räumlicher Tiefe beim Goldfisch
, 2009 Die Frage, wie es zur visuellen Wahrnehmung räumlicher Tiefe kommt, wenn das Retinabild nur zweidimensional ist, gehört zu den grundlegenden Proble-men der Hirnforschung.
Frech, Birte
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Constant light produces severe corneal flattening and hyperopia in chickens
, 1995 In this study we report on the effects of constant fight (CL) on the refractive development and ocular morphology of White Leghorn chicks (Cornell K-strain).
Li, Tong +3 more
core +1 more source
Lack of oblique astigmatism in the chicken eye
, 2015 Primate eyes display considerable oblique off-axis astigmatism which could provide information on the sign of defocus that is needed for emmetropization.
Ohlendorf, Arne +4 more
core +1 more source
A fibrous membrane suspends the multifocal lens in the eyes of lampreys and African lungfishes.
, 2010 The sharpness and thus information content of the retinal image in the eye depends on the optical quality of the lens and its accurate positioning in the eye.
Ekström, Peter +4 more
core +1 more source
Barn owls (Tyto alba) use accommodation as a distance cue
, 1991 We have investigated the role of ocular accommodation in the distance estimation during pecking in the barn owl (Tyto alba). Owls were trained to peck at pieces of food presented on a small platform (Fig.
Schaeffel, F., Wagner, H.
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Modulation of constant light effects on the eye by ciliary ganglionectomy and optic nerve section
, 2000 Our previous studies have shown that an environment of constant light (CL) can lead to development of high degree of hyperopia in newborn chicks by inducing severe corneal flattening, and compensatory growth of the vitreous chamber.
Howard C Howland +3 more
core +1 more source
Assessment of the oculomotor response in human factor environments
, 2004 The need to measure the response of the oculomotor system, such as ocular accommodation, accurately and in real-world environments is essential. New instruments have been developed over the past 50 years to measure eye focus including the extensively ...
Hunt, Olivia A
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Assessment of the oculomotor response in human factor environments [PDF]
The need to measure the response of the oculomotor system, such as ocular accommodation, accurately and in real-world environments is essential. New instruments have been developed over the past 50 years to measure eye focus including the extensively ...
Hunt, Olivia A.
core