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Use of optomap for retinal screening within an eye casualty setting
  1. Sam Khandhadia (sam.khandhadia{at}nhs.net),
  2. Krishnappa C Madhusudhana (k_c_madhu2001{at}yahoo.com),
  3. Agori Kostakou,
  4. John V Forrester (j.forrester{at}abdn.ac.uk),
  5. Richard S Newsom (richard.newsom{at}suht.swest.nhs.uk)
  1. Southampton Eye Unit, Southampton, United Kingdom
  2. Royal Berkshire Hospital, Reading, United Kingdom
  3. Ophthalmiatrio Eye Hospital, Athens, Greece
  4. University of Aberdeen, United Kingdom
  5. Southampton Eye Unit, Southampton, United Kingdom

    Abstract

    Aim: To compare nurse-guided Optomap retinal imaging with examination by an eye casualty officer, in detecting clinically significant peripheral retinal lesions in patients with retinal symptoms.

    Methods: We recruited 219 patients presenting to eye casualty with retinal symptoms (flashing lights and floaters). Retinal images were taken with the Optomap imaging system, and graded by an independent masked ophthalmologist. The findings from the Optomap and casualty officer were compared to gold standard examination with scleral indentation performed by a retinal specialist. We calculated the sensitivity and specificity of the Optomap and casualty officer.

    Results: The final analysis included 205 eyes of 187 patients. The sensitivity of the Optomap for detecting retinal detachment (n=7) was 100% (95% confidence interval: 59-100%), the same as the casualty officer. For retinal tears / holes (n=18) the Optomap sensitivity was 33% (13-59%), compared with 67% (41-87%) for the casualty officer. Combining all retinal lesions (n=52), the sensitivity was 62% (47-75%) and 73% (59-84%), with specificity 96% (92-99%) and 98% (94-100%) for the Optomap and casualty officer respectively.

    Conclusion: The Optomap detects retinal detachments successfully, however due to limitations in the optics is not able to accurately detect retinal holes and tears.

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