March 2012
Volume 53, Issue 14
ARVO Annual Meeting Abstract  |   March 2012
Diabetic Retinopathy Inpatient Study
Author Affiliations & Notes
  • Jessica J. Kovarik
    Ophthalmology, UPMC Eye Center, Eye and Ear Institute, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
  • Lauren A. Willard
    Medicine, UPMC Mercy Hospital, Pittsburgh, Pennsylvania
  • Evan L. Waxman
    Ophthalmology, UPMC Eye Center, Eye and Ear Institute, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
  • Footnotes
    Commercial Relationships  Jessica J. Kovarik, None; Lauren A. Willard, None; Evan L. Waxman, None
  • Footnotes
    Support  NIH CORE Grant P30-EY008098; Eye and Ear Foundation of Pittsburgh; Research to Prevent Blindness, New York, NY
Investigative Ophthalmology & Visual Science March 2012, Vol.53, 5741. doi:
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      Jessica J. Kovarik, Lauren A. Willard, Evan L. Waxman; Diabetic Retinopathy Inpatient Study. Invest. Ophthalmol. Vis. Sci. 2012;53(14):5741.

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      © ARVO (1962-2015); The Authors (2016-present)

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Purpose: : To investigate the prevalence of diabetic retinopathy (DR) among diabetic inpatients, a high-risk target population. More specifically, to determine the prevalence of undiagnosed DR and sight-threatening DR defined as severe non-proliferative diabetic retinopathy (NPDR), proliferative diabetic retinopathy (PDR) and clinically significant macular edema (CSME).

Methods: : 70 consecutive eligible inpatients with a known diagnosis of diabetes mellitus were enrolled in this cross-sectional study in a tertiary care center in Pittsburgh. Patients underwent retinal screening examination by digital photography of the posterior pole following pupillary dilation with 0.5% tropicamide. All photographs were analyzed independently by two ophthalmologists and severity of retinopathy was graded based on criteria established in the Early Treatment Diabetic Retinopathy study (ETDRS).

Results: : The overall prevalence of DR was 41%. The prevalence of sight-threatening DR was 22%. The prevalence of previously undiagnosed DR was 22%, of which 8.5% was sight-threatening.

Conclusions: : The diabetic inpatient population is a high-risk group for undiagnosed diabetic retinopathy and should be targeted for ophthalmologic referral upon patient discharge.

Keywords: diabetic retinopathy • clinical (human) or epidemiologic studies: prevalence/incidence 

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