IMPAIRED MOTION SENSITIVITY AS A PREDICTOR OF SUBSEQUENT FIELD LOSS IN GLAUCOMA SUSPECTS - THE ROSCOMMON GLAUCOMA STUDY

Aim-To determine if impaired motion sensitivity is a significant predi ctor of subsequent field loss in glaucoma suspects. Method-A populatio n based prospective study; a 5 year follow up of all glaucoma suspects who had been identified from a population based random sample survey in the west of ireland. 78 glaucoma suspects whose visual field functi on was annually measured by Henson CFS 2000 and for whom data on famil y history of glaucoma, ocular status, and motion impairment had been r ecorded. Visual field loss was defined as Henson visual field survival score of 94 or less. Results-15 people developed Visual field loss in at least one eye, Motion impairment at baseline was associated with a 2-18 times greater risk of development of the visual field loss (p<0. 001). This association was independent of sex, family history of glauc oma, intraocular pressure, and CID ratio at baseline. The Cox's propor tional hazards regression analysis confirmed the above results after a djustment for age and the CID ratio. Conclusion-Motion impairment is a n independent predictor of visual field loss in glaucoma suspects, alt hough it is not clear how longs motion impairment precedes visual fiel d loss.