"poor hearing" is correct and usable in written English.
For example: "The old man's poor hearing made it difficult for him to follow the conversation."
He also endured high blood pressure, poor hearing, arthritis, prostate cancer, and Raynaud's disease.
Doc has instructed me to speak loudly, on account of "Mr Palmer's poor hearing".
That leads to poor hearing as well as lack of concentration, mental fatigue, annoyance and reduced alertness.
Mr. Barai, who has poor hearing, often taped his telephone conversations so he could listen to them afterward.
Older adults with poor hearing report a greater number of falls than those with normal hearing, a Finnish study found.
In one of Dr. Lin's studies, magnetic resonance imaging tests showed greater brain atrophy among those with poor hearing.
"With my poor hearing, it might be hard on a man," she said to her intended, who, instead of protesting, said, "I guess you are right".
This disability, coupled with poor hearing, probably inherited, left him ill-equipped for studying birds or frogs, which he couldn't hear or see well.
The TV no longer needs to be cranked to full volume exclusively for the benefit of one family member with poor hearing.
Poor hearing also can increase your risk of injuries, according to a study from Harvard-affiliated Brigham and Women's Hospital, published in the January 2018 JAMA Otolaryngology—Head & Neck Surgery.
For example, if a listener has poor hearing in the ear under test, the signal may be sufficiently intense that it may cross the skull and be detected by the opposite ear that has better hearing.
