When the pupils dilate, they become larger. After turning off the light, their pupils should dilate at the same time. Whether you’re shining the light into the left or right eye, both pupils should become smaller at the same time. Dim the lights of the room, then shoot light into one of their eyes using the penlight for three seconds. Third, grab your penlight and perform the swinging light test component of the examination.If they are not round, that could also indicate the possibility of the same problems mentioned above. Second, you must check if the pupils are round or if they have unusual shapes or borders.If there is a difference of over 1 millimeter, that might indicate a problem concerning the brain, cranial nerve, or blood vessels. The first thing you have to do is check if the patient’s pupils are equal in terms of size.Once you have all these, you’re prepared to conduct the PERRLA Eye Exam. If you’re looking at something close, your pupils should become smaller.īefore conducting this exam, you must prepare a chair, a penlight, and a dimly lit room. The pupils also adjust their size depending on if you’re focusing on looking at an object close to you or something that’s a little far.If they don’t, then that is also indicative of a potential problem. When light is shined on the eyes, the pupils should shrink. Pupils, as we mentioned earlier, will change sizes to control how much light enters the eyes.If pupils are not round, then this might also be indicative of something. Should, because it’s possible for pupils to not be fully round. Pupils are circles, so they should be round.If their sizes are not the same, that might be indicative of something, which we’ll get to later.

What is meant by equal is that the pupils should be the same size.Whenever it performs its function, their size changes. The function of a pupil is to regulate how much light enters your eye. Pupils are the dark circles located in the centers of the irises.But what does PERRLA stand for? PERRLA means: Pupils. If you have ever had your eyes checked or if you go through your annual physical examinations, then there’s a good chance that you have gone through PERRLA Eye Exams before. The exam will assess two things in particular: 1) the appearance of the pupils and 2) if they’re functioning normally. This particular eye examination is a pupillary response test, which means that this exam will be used to gauge the pupils. The is a procedure that healthcare professionals often conduct during eye examinations and comprehensive examinations, such as the Nurse Neurological Assessment and the HEENT Assessment.

Perrla eye assessment