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Br J Ophthalmol 2002;86:1252-1255 doi:10.1136/bjo.86.11.1252
  • Scientific correspondence

Can a cilio-retinal artery influence diabetic maculopathy?

  1. L L Knudsen1,
  2. H H Lervang2
  1. 1Department of Ophthalmology
  2. 2Department of Internal Medicine, Aalborg Sygehus Nord, DK-9000 Aalborg, Denmark
  1. Correspondence to: L L Knudsen; ul9204{at}aas.nja.dk
  • Accepted 19 June 2002

Abstract

Aim: To explore the influence of a cilio-retinal artery on diabetic maculopathy.

Methods: In the county of North Jutland 481 diabetic subjects underwent examination for diabetic retinopathy during the period 1 June 2000 to 30 June 2001. A unilateral cilio-retinal artery was observed in 104 patients among which 29 revealed variation in right and left eye maculopathy. A bilateral cilio-retinal artery was observed in 15 diabetic subjects. The influence of a cilio-retinal artery on diabetic maculopathy was explored in a paired study.

Results: Diabetic maculopathy was found to be more severe in 26 of 29 eyes with a cilio-retinal artery (p<0.01) compared to eyes without it. The number of red dots (p<0.0001) and hard exudates (p=0.0002) were found to be significantly increased in eyes with a cilio-retinal artery, as also the number of eyes with central photocoagulation (p<0.05). In addition, clinically significant macular oedema was found to be significantly increased in eyes with a cilio-retinal artery compared to eyes without it (0.01<p<0.02).

Conclusion: In some patients, the presence of a cilio-retinal artery may worsen diabetic maculopathy.

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