![Detecting a relative afferent pupillary defect using the swinging light test | International Journal of Ophthalmic Practice Detecting a relative afferent pupillary defect using the swinging light test | International Journal of Ophthalmic Practice](https://www.magonlinelibrary.com/cms/10.12968/ijop.2015.6.1.8/asset/images/medium/ijop.2015.6.1.8_f03.jpg)
Detecting a relative afferent pupillary defect using the swinging light test | International Journal of Ophthalmic Practice
![Journal of Optometry and Ophthalmology on Twitter: "A relative afferent pupillary defect (RAPD), also known as a Marcus Gunn pupil, is a medical sign observed during the swinging-flashlight test whereupon the patient's Journal of Optometry and Ophthalmology on Twitter: "A relative afferent pupillary defect (RAPD), also known as a Marcus Gunn pupil, is a medical sign observed during the swinging-flashlight test whereupon the patient's](https://pbs.twimg.com/media/FU8ZnFmaMAA98Za.png)
Journal of Optometry and Ophthalmology on Twitter: "A relative afferent pupillary defect (RAPD), also known as a Marcus Gunn pupil, is a medical sign observed during the swinging-flashlight test whereupon the patient's
![Detecting a relative afferent pupillary defect using the swinging light test | International Journal of Ophthalmic Practice Detecting a relative afferent pupillary defect using the swinging light test | International Journal of Ophthalmic Practice](https://www.magonlinelibrary.com/cms/10.12968/ijop.2015.6.1.8/asset/images/medium/ijop.2015.6.1.8_f01.jpg)
Detecting a relative afferent pupillary defect using the swinging light test | International Journal of Ophthalmic Practice
![CMAJ on Twitter: "Swinging light test to detect a relative afferent pupillary defect in advanced #glaucoma http://t.co/nuDOyKuD5s http://t.co/msOdVWMye6" / X CMAJ on Twitter: "Swinging light test to detect a relative afferent pupillary defect in advanced #glaucoma http://t.co/nuDOyKuD5s http://t.co/msOdVWMye6" / X](https://pbs.twimg.com/media/B6rXiHOCIAARQYM.jpg)