GREEN'S TEST OBJECTS
\ɡɹˈiːnz tˈɛst ˈɒbd͡ʒɛkts], \ɡɹˈiːnz tˈɛst ˈɒbdʒɛkts], \ɡ_ɹ_ˈiː_n_z t_ˈɛ_s_t ˈɒ_b_dʒ_ɛ_k_t_s]\
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A series of test diagrams for the determination of astigmatism. The one probably most frequently used consists of a circle traversed by a set of twelve triple lines, like the spokes of a wheel, the figures being placed at the extremity of the sets of lines. Each line is designed to be distinctly seen at a distance of about 20 feet. The circle is 12 1/2 inches in diameter.
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See Green.
By Smith Ely Jelliffe
Word of the day
Dopamine Acetyltransferase
- An enzyme that catalyzes the of groups from acetyl-CoA to arylamines. They have wide specificity for aromatic amines, particularly serotonin, and can also catalyze acetyl transfer between arylamines without CoA. EC 2.3.1.5.