@article{202409.0542, doi = {10.20944/preprints202409.0542.v1}, url = {https://doi.org/10.20944/preprints202409.0542.v1}, year = 2024, month = {September}, publisher = {Preprints}, author = {Pinakin Gunvant Davey and Richard B Rosen and Joshua Park and Frank Spors and Dennis L Gierhart}, title = {Evaluation of a Portable Handheld Heterochromatic Flicker Photometer in Measuring Macular Pigment Optical Density}, journal = {Preprints} }