your pupils constrict (get smaller) to prevent too much light from entering your eyes. In dim lighting, your pupils dilate (get larger) to allow more light in.
yet I use exit pupils of 5-5.3mm all the time at low power and do not notice the secondary shadow. If I look at the Moon at that low a power, my pupil shuts down to 1.5mm and the secondary shadow covers most of the light. So I don't look at the moon at ...
[ILLUSTRATION OMITTED] Two details provide reason enough to make every effort to see this exhibition, the first comprehensive look at Gian Lorenzo Bernini's sculpted portraits. Black chalk grit remains in and around the irises and pupils... TJ Standring 被引量: 0发表: 2008年 NO NUDES IS GOO...
I think my pupils dilate more than most peoples' do although there's no way to be sure. I have found that if I'm looking up at the same patch of stars as someone, the seven sisters for example, I can see more of them than most people, even though I wear glasses which would theo...
Whether you get your eyes dilated or not depends on a range of factors including the reason for your eye exam, how old you are, your health and risks of eye diseases. What do doctors see when they dilate eyes? When your eyes dilate with eye drops, the pupils widen, which allows more...
The majority of the reports of fixed and dilated pupils are in the setting of PKP.1, 6, 7, 12, 14, 17, 23, 27, 30, 43, 47, 60, 61 The reason why this occurs much more often after PKP than after other surgeries is not fully understood, and several explanations, especially regardi...
doctors of optometry were not legally able to dilate pupils, so the eye exams provided by ODs were never done through dilated pupils. Hence, the some members of profession developed the collective notion of what was included in an “eye examinatio...
SEE RELATED:Small pupils: What do they mean? Do your pupils seem larger than normal? If you've noticed your eyes are unusually dilated (larger) or one eye is dilated more than the other,call an eye doctor! It's normal for your pupils to dilate more the darker your surroundings. However...