I’m really sorry to hear about your dad’s recent health conditions.
If you contact our helpline service on 0808 800 0303, one of our advisers will arrange for a Parkinson’s nurse to call you back to advise you on your situation in more detail. Please give them a call as soon as you can.
With regard to your dad’s eye problems and fatigue, we have sections on the Parkinson’s UK website with information about various different eye problems associated with Parkinson’s that you can find useful here and here.
Wishing you and your dad all the best.