Swinging Flashlight Test: Swing a light back and forth in front of the two pupils and compare the reaction to stimulation in both eyes. When light reaches a pupil there should be a normal direct and consensual response.

2023年7月25日 · Pupillary light reflex is used to assess the brain stem function. Abnormal pupillary light reflex can be found in optic nerve injury, oculomotor nerve damage, brain stem lesions, such as tumors, and medications like barbiturates.

Pupillary reflexes include: The pupillary light reflex: The pupillary light reflex makes your pupils shrink (contract) in bright light. Muscles in your irises squeeze tighter and make your pupils smaller when bright light hits your eyes. The pupillary dark reflex: The pupillary dark reflex makes your pupils get bigger (dilate) when you enter a ...

2015年10月1日 · Examination of the pupils and pupillary reflexes are crucial in obtaining an accurate diagnosis of an ophthalmological problem and many other systemic conditions. It is a relatively simple examination that can be performed at most patients’ bedsides and is a skill all doctors should have.

Shines a light in one eye, then the other and then repeats, called the light reflex test. Asks you to focus on a small object (finger or pen) and moves it far away from your face, then close to your face and then from side to side. Checks pupil reactions when focusing on a distant object, called the near reflex test.

2016年3月15日 · Pupil testing can reveal serious retinal and neuro-ophthalmic disease and therefore should be incorporated into every comprehensive eye examination. With careful clinical examination, this test can aid in the diagnosis and management of many of these conditions at the primary care level.

2016年10月3日 · During an eye exam, our experienced eye doctors perform a pupil reflex test. Contact our San Diego, CA practice today to schedule your next eye exam. What Is Pupil Reflex? Pupillary light reflex, or PLR, is a reflex that controls the diameter of the pupil.

The pupillary light reflex is an autonomic reflex that constricts the pupil in response to light, thereby adjusting the amount of light that reaches the retina 1. Pupillary constriction occurs via innervation of the iris sphincter muscle, which is controlled by the parasympathetic system 1.

2023年8月8日 · The visual (retino-thalamocortical) pathway and pupillary light reflex pathway are the two essential ways through which the eye perceives and responds to changes in the environment.

The light response pupil test evaluates the reflex that regulates the pupil’s size in reaction to light. After dimming the lights, the doctor will ask you to look at a distant object. A beam of light will shine into your eyes from either side.