The clinical use of prisms; and the decentering of lenses (1893)
Maddox, Ernest Edmund, 1860-1933 · Bristol : J. Wright ; London : Simpkin, Marshall, Hamilton, Kent · leaf 114
nthe effort is abandoned, though in distant vision thesquint may perhaps still be overcome. By cor-recting the hypermetropia we lessen the accommo-dative convergence, and the tonic convergence willthus gradually tend to get less, the excitability ofthe converging centre being no longer kept up… … Fig, 4g.—The same case as in Fig. 48, but relieved by tenotomywhich displaces the anatomical position outwards. the anatomical divergence it allows more room forthe excessive tonic and accommodative conver-gences. The amplitude of the visual reflex canoften be increased by nerve tonics, such as…
Lenses
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