In older patients undergoing surgery, preoperative macular thickness may be a marker for vulnerability to developing postoperative delirium.

When the macular layer of an older adult’s right eye retina becomes thicker, the person is more likely to experience postoperative delirium, a study shows. That was the case for older patients who ...

"Our findings suggest that macular thickness ... imaging test called optical coherence tomography, which uses light waves to create cross-sectional pictures of the retina.