This past June, I noticed that my pistol scores had diminished. I still managed to qualify, but my score dropped several points. I was immediately concerned. So, I asked my younger son to give me some advise, concerning old eyes and police firearms. He came through like gang-busters.
As it turns out, there is a metric butt-ton of information available online. One article that he sent me distilled the arguments here.
Most people around the age of 40 start to experience an age-related vision problem called presbyopia that makes it more difficult to see things close up. This is why most older people use reading glasses or bifocals, and it's also why you'll sometimes see older shooters push their handguns out as far as possible in an attempt to see good sight alignment.
Reflex optics on handguns can make it easier for these officers to shoot well. Brown says one state agency he works with has numerous older officers and has been very receptive to the Glock MOS models. "Before we launched the MOS models, they were sending their guns out to have the slides milled for mounting optics," he adds.
Glock makes pistols with slides milled for optics. They call it the MOS system.
Safariland makes duty holsters that accommodate red dot sights.
I probably need to go talk to my firearms instructor and see just exactly what our policy says about red dot sights.