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首页> 美国政府科技报告 >Effects of Routine Office Pupillary Dilation on Functional Daylight Vision. (Reannouncement with New Availability Information).
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Effects of Routine Office Pupillary Dilation on Functional Daylight Vision. (Reannouncement with New Availability Information).

机译：常规办公室瞳孔扩张对功能性日光视觉的影响。 （重新公布新的可用性信息）。

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The visual acuity of 100 patients between the ages of 16 and 66 years, seen for routine ophthalmologic examination, was measured before and after dilation. All patients had a predilation visual acuity of 20/40 or better. Postdilation binocular visual acuity was determined using the patient's back to and the patient facing the sun, with and without the aid of postmydriatic sunglasses. Twelve percent experienced disabling photophobia even with the use of postmydriatic sunglasses, with 3% having significant objective visual loss defined as 25/50 or worse. No objective visual loss was found in 30 controls examined outdoors before dilation, without sunglasses. We recommend that patients who have experienced significant photophobia with dilation in the past, or who have never before undergone dilation, make arrangements for transportation after a dilation examination.

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