While VFT is the least favorable part of the work-up for glaucoma patients, their self-assessment about VFT performance did not correlate with current VF reliability indicators. Although reliability of the VFT was not strongly affected by slower reaction times when tested by the PVT, the effect of psychomotor reaction time on other aspects of test outcomes is unknown and warrants further investigation.
Age, race, and education were found to be the most important factors affecting cognitive function in this study. There was no significant difference in the MoCA test scores of participants with confirmed or suspected glaucoma and participants without glaucoma. There was also no significant difference in the MoCA scores of dilated participants and non-dilated participants as a whole. However, dilation significantly increased the amount of time required to complete the MoCA test among the glaucoma and suspected-glaucoma population. The results of this study suggest that physicians should spend more time with dilated glaucoma patients while explaining medical conditions and treatment instructions in order to ensure that patients have adequate time to comprehend instructions for glaucoma management.
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