Philadelphia Telemedicine Glaucoma Detection and Follow-up Study: confirmation between eye screening and comprehensive eye examination diagnoses

Br J Ophthalmol. 2019 Dec;103(12):1820-1826. doi: 10.1136/bjophthalmol-2018-313451. Epub 2019 Feb 15.

Abstract

Aims: To evaluate agreement between ocular findings of a telemedicine eye screening (visit 1) with diagnoses of a comprehensive eye examination (visit 2).

Methods: A primary care practice (PCP)-based telemedicine screening programme incorporating fundus photography, intraocular pressure (IOP) and clinical information was conducted. Eligible individuals were African American, Hispanic/Latino or Asian over the age of 40; Caucasian individuals over age 65; and adults of any ethnicity over age 40 with a family history of glaucoma or diabetes. Participants with abnormal images or elevated IOP were invited back for a complete eye examination. Both visit 1 and visit 2 were conducted at participants' local PCP. Ocular findings at visit 1 and eye examination diagnoses at visit 2 are presented, including a cost analysis.

Results: Of 906 participants who attended visit 1, 536 were invited to visit 2 due to ocular findings or unreadable images. Among the 347 (64.9%) who attended visit 2, 280 (80.7%) were diagnosed with at least one ocular condition. Participants were predominately women (59.9%) and African American (65.6%), with a mean age (±SD) of 60.6±11.0 years. A high diagnostic confirmation rate (86.0%) was found between visit 1 and visit 2 for any ocular finding. Of 183 with suspicious nerves at visit 1, 143 (78.1%) were diagnosed as glaucoma or glaucoma suspects at visit 2.

Conclusions: This screening model may be adapted and scaled nationally and internationally. Referral to an ophthalmologist is warranted if abnormal or unreadable fundus images are detected or IOP is >21 mm Hg.

Trial registration number: NCT02390245.

Keywords: Diagnostic tests/Investigation; Glaucoma; Intraocular pressure; Public health; Telemedicine.

Publication types

  • Comparative Study
  • Research Support, U.S. Gov't, P.H.S.

MeSH terms

  • Adult
  • Aged
  • Aged, 80 and over
  • Blood Pressure / physiology
  • Diagnostic Techniques, Ophthalmological
  • Female
  • Follow-Up Studies
  • Glaucoma, Open-Angle / diagnosis*
  • Glaucoma, Open-Angle / physiopathology
  • Humans
  • Intraocular Pressure / physiology
  • Male
  • Middle Aged
  • Ocular Hypertension / diagnosis
  • Ocular Hypertension / physiopathology
  • Philadelphia
  • Photography
  • Physical Examination / methods*
  • Telemedicine / methods*
  • Tonometry, Ocular
  • Visual Acuity / physiology

Associated data

  • ClinicalTrials.gov/NCT02390245