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Vision Research|January 1, 1984
Penguin vision in air and waterH C Howland, J G Sivak
Journal of Comparative Physiology. A, Sensory, Neural, and Behavioral Physiology|October 1, 1989
The eye of the hooded seal, Cystophora cristata, in air and waterJ G Sivak, H C Howland, J West, et al.
Vision Research|June 20, 2001
Refractive state and accommodation in the eyes of free-swimming versus restrained juvenile lemon sharks (Negaprion brevirostris)R E Hueter, C J Murphy, M Howland, et al.
Revue Canadienne De Biologie|September 1, 1978
Optical characteristics of the eye of the spiny dogfish (Squalus acanthias)J G Sivak
Current Eye Research|January 1, 1982
Infant eyes: optics and accommodationH C Howland
American Journal of Optometry and Physiological Optics|September 1, 1985
Optics of photoretinoscopy: results from ray tracingH C Howland
Acta Ophthalmologica|April 1, 1980
The optics of static photographic skiascopy. Comments on a paper by K. Kaakinen: A simple method for screening of children with strabismus, anisometropia or ametropia by simultaneous photography of the corneal and the fundus reflexesH C Howland
American Journal of Optometry and Physiological Optics|May 1, 1985
The Glenn A. Fry Award Lecture: optics of the crystalline lensJ G Sivak
Aviation, Space, and Environmental Medicine|November 1, 1979
Spectral composition of the underwater environment and the refractive state of the eyeJ G Sivak
Revue Canadienne De Biologie Experimentale|March 1, 1983
Ultrastructure of the avian iris dilator muscleJ G Sivak
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