You have the right to require accommodations for a disability, you do not have the right to demand the same accommodations just because you would prefer it that

You have the right to require accommodations for a disability, you do not have the right to demand the same accommodations just because you would prefer it that way. Many types accommodations add extra burden or cost on the service provider, so if someone with e.g. perfect sight asks for a vision-related accommodation, they are allowed to refuse.