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| Author | Subject: pupil near response |
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 misty
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pupil near response
Jan 11, 2005 20:45:44 CAN you record pupils using the acronym PERRLA in patients over 60? do the pupils in patients over 60 constrict when looking at near objects even though they dont have any accommodation?.. if they do can someone explain why |
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palfi
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RE: pupil near response
Jan 11, 2005 21:53:31 yes they will - but it will be reduced. 'cos they innervation of the parasympathetic nerve to the sphincter will be unchanged - the only difference is that sclerosis of the iris and the general miosis due to age will reduce the effect. In youth - the iris is very elastic and constricts allot. In age sclerosis of the iris stroma and sphincter will reduce the elasticity and reduce the constriction. So you can say that the pupils are equal, round reactive to light and accom, but perhaps it would be better to say that the pupils are equal (therefore neurologicaly intact, round (therefore no iris neoplasms or damage), reactive (therefore no cranial defect): so you could say perrl and so look normal. So many people write 'clear' when refering to opaque things - when surely 'normal' would read better. palf |