6533b7dcfe1ef96bd1272fd2

RESEARCH PRODUCT

Valutazione tonometrica in due posizioni di sguardo nell'orbitopatia di Graves

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Aim.To asses effective role of thickness of superior rectus muscle in the variation of intraocular pression (IOP) in the patients with Graves' ophthalmopathy.Methods.IOP was measured in 76 eyes of 38 patients(mean age,42.4 years;range 19 to 58 years)with Graves' ophthalmopathy in primary and in upgaze position(Elevation with divergence of 23°).Results.IOP in 52 of the 76 eyes was 17.5 +/-2.12 mm Hgin primary position and 21.2 +/-2.75 mm Hg in upgaze position.In the eyes (28)with thickness of the superior rectus muscle >4.6 mm,IOP was 22.7+/-1.48 mm Hg in primary position and 27.1 +/-1.92 mm Hg in upgaze position.The difference in the values in this group is statistically significant ( the paired t test,p=0.05).Conclusions. These findings suggest that ocular ipertension in upgaze position in patients with Graves'ophthalmopathy is caused, in part, by increased thickness of superior rectus muscle.