Sustantivo
The measurement of visual acuity.
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In this method, unlike the traditional visometry method (determination of visual acuity), in which individual test symbols of different size (Landholt rings, Golovin and Sivtsev patterns, etc.) of constant contrast, close to unity, are used for the investigation, periodic structures are used as tests.
Despite the abundance of various tables intended for visometry, only the overall structural shape of the table varies, while the principle of carrying out the investigation and its purpose remain as before.
The composition is injected under the Tenon's capsule onto the posterior surface of the sclera with a curved needle Before the SSI and every 6 months after it, for at least 4 years, visual acuity was estimated, and optimal correction visometry, skiascopy, autorefractometry, perimetry, rheo-ophthalmography, and direct and indirect ophtalmoscopy were performed.