How can a senior with mild dementia safely use ointment for eye infection?

With HELP. This an important area of concern; and will only get greater. Diminished capacity + powerful compounds is truly dangerous. The caregiver should be the acting adult. Maintain dignity of your patient by clear explanation to both, after both have been invited into the exam room. Neither leave the pt. Out nor be less than complete as you say & write necessary info. On your stationery (4 contact, etc).
They may. Need your help to apply the ointment.
Prompts if needed. Have them practice the proper use and demonstrate to you. Check later to see if they still can remember how to do it. If they can't, using prompts might help. Try writing the directions out for them in large enough print that they can read it. If they are visually impaired, you may try recording the directions for them to play back to remind themselves.

Related Questions

Is it possible for an eye infection to cause dementia in the elderly?

No, but... An eye infection won't cause dementia, but if the infection causes a decrease in vision this may exacerbate the dementia since the patient isn't able to see as well. Read more...
Not cause it, but... Decreased vision can cause someone with dementia to become more agitated and have the symptoms of worsening dementia. Additionally, if an infection gets into the bloodstream, it can certainly cause altered mental abilities that would appear to be a dementia. Read more...
No. Unclear how this could be related but ask treating doctor if you have further questions. Read more...