英语词汇“snellen's chart test”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	snellen's chart test
释义	Snellen's chart test Snellen's chart test A standard vision-testing chart of letters of diminishing size, used at the standard distance of 6 m. The eyes are tested one at a time and the result recorded in terms of the lowest line that can be correctly read. (Hermann Snellen, 1834–1908, Dutch ophthalmologist).
随便看	sleep of plants sleep of the just sleep on sleep on it sleep onset association disorder sleep onset insomnia sleep-onset insomnia sleep-onset rapid eye movement sleep onset rapid eye movement period sleep onset rem sleep on someone sleep on (someone or something) sleep on someone or something sleep on (something) sleep on something sleep on something, to sleep out sleep over sleepover sleep overs sleepovers sleep paralysis sleep pattern disturbance sleep pattern, disturbed sleep phase delay syndrome

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Snellen's chart test