Quantifying the pupil response to colored light stimuli is a noninvasive technique that objectively assesses rod, cone, and melanopsin activity.1- 4 In this study, we used chromatic pupillometry to quantify residual rod and cone function in eyes with advanced outer retinal photoreceptor degeneration.
Correspondence: Dr Kawasaki, Hôpital Ophtalmique Jules Gonin, Ave de France 15, Lausanne 1004, Switzerland (email@example.com).
Author Contributions: All of the authors had full access to all of the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis.
Financial Disclosure: Dr Kawasaki has received financial compensation from Bayer for consultation on a topic unrelated to this article.
Funding/Support: This work was supported by an unrestricted grant from Research to Prevent Blindness. Dr Kawasaki was supported in part by a grant from the Foundation for Research in Ophthalmology and Loterie Romande Swiss. Dr Munier was supported by grant 320030-127558 from the Swiss National Science Foundation. Dr Kardon is the recipient of funds from the Department of Veterans Affairs Rehabilitation Research and Development Division, Department of Defense and the Pomerantz Chair in Ophthalmology.