You D3 dose is fine. Not worth adjusting. Excess is just excreted.

The blood test 'normal' levels are not accurate in every case. B-12 is commonly 'normal' from 360 pcgm/ml to 970 pcgm/ml. Somebody with a B-12 of 400 is considered normal. But, the stressed brain needs to be at the high end so targeting 1000 is good.

Folate should be above 20.

Plus, a full blood panel can mean lots of things. T would not be normally part of a full blood panel but good he checked it. A single T test is not accurate. It needs 3 separate blood draws over a week or so.

You may need to be assessed by a behavioral optometrist. They use different protocols than vision and eye health diagnostics. Home

When you are talking to someone, you could be struggling with ambient sounds that compete with your desire to focus on the other person. It can be like standing up in a small rocking boat to take a photo. Your upper body adjust but your brain still has this other thing (rocking movement) going on that gets in the way. When you try to talk to them, your brain may be trying to process the ambient sounds. The injured brain commonly is weak when it tries to filter out background sounds.