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Property Organism Value Units ID Details
Relative quantitation of circadian gene expression in eye at midnight and at dawn African clawed frog Xenopus laevis 1.98 at midnight: 1 at dawn unitless 102456 Curran KL, LaRue S, Bronson B...
Amount of photons necessary to excite a rod Human Homo sapiens 1 unitless 100709 Brain Facts and Figures...
Amount of photons necessary to excite a cone Human Homo sapiens 100 unitless 100710 Brain Facts and Figures...
Weight of skin Human Homo sapiens 4.1 kg 100711 http://faculty.washi...
Number of generations, under selection for improved visual acuity, required to produce a focused camera-type eye from a patch of light-sensitive epithelium Metazoa animals <400,000 generations 117183 Fernald RD. Casting a...
Duration of average splicing event Various 30 sec 108453 Hnilicová J, Stanek D....
Maximum photosynthesis rate of mature leaves Tobacco Nicotiana tabacum 9 µmol CO2/m^2/s 111442 Miyagawa, Y., Tamoi, M....
Maximum weight of seedling 100 days (14.3 weeks) after transplanting Tobacco Nicotiana tabacum in year 1978 ~290g: in year 1979 ~200g grams 111703 Rich JR, Hodge C, Johnson...
Photoreceptor inner and outer segments vertebrates Table - link N/A 107894 R. W. Rodieck, The first...
Number of times eyes evolved independently Metazoa animals 40 times or more 117182 Fernald RD. Casting a...
Minimum interommatidial angles for insect species Insect Table - link ˚ (degrees) 117188 Land MF. Visual acuity...
Morphogen Dpp parameter values Fruit fly Drosophila melanogaster Table - link N/A 112071 Wartlick O, Jülicher F...
Length of eyeball (newborn) Human Homo sapiens 16.5 mm 103463 Riordan-Eva, P. and Whitcher...
Km values of Transketolase (TK) for selected substances Unspecified Table - link N/A 101719 see table
Changes with age in dimensions of human foveolar cones Human Homo sapiens Table - link μm 108246 Yuodelis C, Hendrickson...
Absorbed photosynthetically active solar radiation Biosphere 400-700 nm 102932 Field CB, Behrenfeld MJ...
Regeneration time of visual pigment Human Homo sapiens rhodopsin 40min: cone pigment ~8min minutes 111347 Rushton WAH. Dark-adaptation...
Dimensions of optic nerve head Human Homo sapiens 1.86mm×1.75mm N/A 105342 John Moran eye center...
Increase in posterior length from 60 hours after hatching to end of third instar Fruit fly Drosophila melanogaster ≈3 µm/hour 112069 Wartlick O, Jülicher F...
Major protein content of 1 µm^2 of rod disk membrane Unspecified Table - link N/A 111003 Liebman, P. A., K. R. Parker...