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Philadelphia Telemedicine Glaucoma Detection and Follow-up Study: Analysis of Unreadable Fundus Images.

Philadelphia Telemedicine Glaucoma Detection and Follow-up Study: Analysis of Unreadable Fundus Images.

Philadelphia Telemedicine Glaucoma Detection and Follow-up Study: Analysis of Unreadable Fundus Images.

J Glaucoma. 2018 Aug 31;:

Authors: Hark LA, Myers JS, Rahmatnejad K, Wang Q, Zhan T, Hegarty SE, Leiby BE, Udyaver S, Waisbourd M, Leite S, Henderer JD, Pasquale LR, Lee PP, Haller JA, Katz LJ

Abstract
PURPOSE: To ascertain determinants of unreadable fundus images for participants enrolled in the Philadelphia Telemedicine Glaucoma Detection and Follow-Up Study.
METHODS: Individuals were screened for glaucoma at 7 primary care practices and 4 Federally Qualified Health Centers using telemedicine. Screening (Visit 1) included fundus photography, assessing family history of glaucoma, and intraocular pressure (IOP) measurements. Participants with an unreadable image in at least one eye were deemed unreadable and invited to return for a confirmatory eye exam (Visit 2).
RESULTS: Nine hundred and six participants completed the Visit 1 eye screening and 17.1% (n=155/906) were "unreadable." In the multivariable logistic regression analysis, older age, male gender, smoking, and worse visual acuity were significantly associated with an unreadable fundus image finding at the eye screening (P<0.05). Of the 89 participants who were invited for the confirmatory eye exam solely for unreadable images and attended Visit 2, 58 (65.2%) were diagnosed with at least one ocular pathology. The most frequent diagnoses were cataracts (n=71; 15 visually significant, 56 non-visually significant), glaucoma suspects (n=27), and anatomical narrow angle (n=10).
CONCLUSION: Understanding the causes of unreadable fundus images will foster improvements in telemedicine techniques to optimize the predictive accuracy, efficiency, and cost in ophthalmology. A high proportion of participants with unreadable images (65.2%) in our study were diagnosed with some ocular pathology, indicating that the finding of an unreadable fundus image warrants a referral for a comprehensive follow-up eye exam.

PMID: 30180021 [PubMed - as supplied by publisher]

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