There are experienced professionals who can help you adjust, in particular occupational therapists and physiotherapists (depending on the country in which you live) who can assess your home, work and leisure activities, and offer advice on solutions to overcome the obstacles that may set you back you in certain tasks.
By addressing any difficulties that you may have, (especially if you are referred early), the therapist can ensure that you maintain as much independence as possible, and adapt more effectively as Parkinson’s progresses. Because Parkinson’s is a progressive condition, occupational therapists are likely to remain in contact with you and your family for many years.
Some larger companies have welfare officers who are trained to help those with special needs, and they may be able suggest some changes within your workplace that will help you.