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The HORIZON trial provided randomized evidence that adding a Hydrus Microstent to cataract surgery can reduce intraocular pressure and medication burden. A five-year post hoc analysis examined visual-field progression, a more patient-important endpoint than pressure alone. The analysis compared eyes undergoing cataract surgery with or without Hydrus implantation and evaluated change in mean deviation over time. The work highlights an important principle in glaucoma care: lowering IOP is valuable because the ultimate goal is to preserve visual function, not simply achieve a laboratory target. The analysis also illustrates the difficulty of using visual-field progression as an endpoint because perimetric variability can obscure small changes over several years. For HCPs, the study supports monitoring both structure and function and interpreting visual-field trends longitudinally rather than from isolated tests. MIGS may be most attractive when it can meaningfully reduce medication burden while maintaining pressure control, particularly during cataract surgery. AIOC's glaucoma programme specifically addresses visual-field interpretation, OCT ganglion-cell assessment and MIGS, making this evidence highly relevant.

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The HORIZON trial provided randomized evidence that adding a Hydrus Microstent to cataract surgery can reduce intraocular pressure and medication burden. A five-year post hoc analysis examined visual-field progression, a more patient-important endpoint than pressure alone. The analysis compared eyes undergoing cataract surgery with or without Hydrus implantation and evaluated change in mean deviation over time. The work highlights an important principle in glaucoma care: lowering IOP is valuable because the ultimate goal is to preserve visual function, not simply achieve a laboratory target. The analysis also illustrates the difficulty of using visual-field progression as an endpoint because perimetric variability can obscure small changes over several years. For HCPs, the study supports monitoring both structure and function and interpreting visual-field trends longitudinally rather than from isolated tests. MIGS may be most attractive when it can meaningfully reduce medication burden while maintaining pressure control, particularly during cataract surgery. AIOC's glaucoma programme specifically addresses visual-field interpretation, OCT ganglion-cell assessment and MIGS, making this evidence highly relevant.
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