The size of your pupils and how they react to light can help diagnose certain health problems. For instance, if you’ve had a blow to the head and one or both of your pupils are dilated -- larger than normal -- that can be a sign of a seriousbraininjury. Your doctor also can use...
Pupils dilate (get larger) when room light is dimmed. Pupils are round and equal in size, in both bright and dim light. Pupils quickly andsymmetrically constrictto a bright light directed into either of the eyes and when the bright light swings between the two eyes. Is it normal for pupi...
Adie's pupilA pupil in which the reactions to light, direct or consensual, are almost abolished, with a reaction occurring only after prolonged exposure to light or dark. The reaction of the pupil to a near target is also delayed and slow. The condition is usually unilateral, with the affec...
In bright light, 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. Normal pupil size generally ranges from2.0 to 4.0 millimeters (mm) in bright light, and 4.0 to 8.0 mm in the...
The suspicion, and it may be unfounded, is that the innocent question put to Mr Woodhead may have come from someone who knew about the affair. Last night there was barely suppressed glee from the Left in reaction to Mr Woodhead's statement on sexual relations between pupils and teachers. ...
Illegal drug use, including the use of cocaine, amphetamines, LSD and ecstasy, can cause dilated pupils and slow down their reaction to light. Congenital aniridia One can be born with congenital aniridia, a rare condition usually affecting both eyes. The iris is partially or completely absent ...
the light reflex was found to be normal (Video1). And the patient did not have ptosis or significant nystagmus.The Romberg sign was positive and tendon reflexes were decreased. Additionally, the patient’s speech comprehension ability and reaction ability were dull. The rest of the physical exam...
Why do the pupils in my eyes change size? I find my sometimes my pupils change their sizes. What causes it? Is it normal? In Eye Health -Asked by : b1wdancer23 -3 answers -11/27/2012 Related Topics : eye health Most popular qustions: What to do and not to do with contact le...
The Argyll Robertson pupil Pupillary miosis, inequality, and irregularity, without reaction to light, had been known in cases of tabes dorsalis and dementia paralytica (GPI) since ... JMS Pearce - 《Journal of Neurology Neurosurgery & Psychiatry》 被引量: 4发表: 2004年 ...
This chapter provides a framework for understanding the afferent input from the retina which gives rise to the pupil light reflex, its integration within the midbrain, and its output which controls pupil size to each eye. The key features of the near reflex, which involves the coordination withi...