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Comment & Response
May 2016

Validation of Software Measurements of Eyelid Position From Digital Photographs

Author Affiliations
  • 1Ophthalmic Plastic Surgery Service, Massachusetts Eye and Ear Infirmary, Harvard Medical School, Boston
JAMA Ophthalmol. 2016;134(5):606-607. doi:10.1001/jamaophthalmol.2016.0218

To the Editor The software development by Bodnar and colleagues as described in their article titled “Automated Ptosis Measurements From Facial Photographs”1 to calculate and measure the margin reflex distance is laudable. Their results correlate well with our previously published study.2 The methods used in their study, including rotation of the camera in 4 different positions to account for changes in the position of the corneal light reflex, are nearly identical to ours and independently confirm our results.

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