单词 macula 释义 BETA

Examples ofmacula

Dictionary> Examples ofmaculamaculaisn’t in the Cambridge Dictionary yet. You can help!Add a definitionThemaculais represented in the operculum, where receptive fields are small.From theCambridge English CorpusThe centralmacula(foveola) consists of photoreceptors only and derives its blood supply from the choroid and so does not become swollen or opaque as elsewhere.From theCambridge English CorpusSince 1 deg of visual angle spans about 0.3 mm on the retina, themaculacorresponds to the central 15-20 deg in the visual field.From theCambridge English CorpusSpatial frequencies are perceived with more or less sharpness in different areas in themacula, resulting in a deficient perception of the exact metric distance between the facial features.From theCambridge English CorpusAssociated oculomotor signs may be present and on ophthalmoscopic examination the retina is pale and oedematous, with a cherry-red spot at themaculaif the central retinal artery is involved.From theCambridge English CorpusNo specific findings are seen in the optic disks and maculae.From theCambridge English CorpusHowever, if themaculais involved, even successful reattachment does not assure the return of normal vision.From theCambridge English CorpusWe also found significant differences of retinal maculae and ocular refractions between the siblings.From theCambridge English CorpusA horseshoemaculascotoma developed during the patient's late 50s.From theCambridge English CorpusThe simulation expresses the state of themaculaby means of a real number in the interval (0, 1).From theCambridge English CorpusThemaculais the most sensitive central section of the retina and is used for direct vision such as reading.From theCambridge English CorpusIt is defined as a degeneration of themaculaafter 50 years of age that cannot be attributed to an obvious systemic or ocular cause.From theCambridge English CorpusThe disease progression in themaculaillustrates this process.From theCambridge English CorpusThe latter refers to the visual quality of the retina excluding themacula.From theCambridge English CorpusNot so in the case of diseases of the outer retina, includingmaculadegeneration and retinitis pigmentosa.From theCambridge English CorpusAt the first objective examination (1997), themaculahad a severe granular appearance.From theCambridge English CorpusCommon radiotherapymaculatechniques are reviewed, field sizes examined and criteria for a simplemaculatechnique proposed.From theCambridge English CorpusIf it involves themacula, retinopathy can frequently result in visual disability and blindness.From theCambridge English CorpusIn one case, a white mass moved from the temporal side of the optic disc to themaculaduring a 3month follow-up study, though a nematode was not identified.From theCambridge English Corpus

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