Task: Answer Verification
Input (English): Question: Is torsion of the optic nerve head a prominent feature of normal-tension glaucoma?
Answer: Normal-tension glaucoma eyes had a greater ONH torsion compared to POAG eyes with matched axial length. The direction of the ONH tilt and torsion was related to the location of the visual field defect only in NTG eyes.
Output (English): yes