This is a common problem after macula off RD. It' is called 'metamorphopsia (distortion) It often gets better with time but can be permanent. Color perception may be off due to inflammation or damage to the rods in the retina from the RD. That also may be permanent. Remember with a RD in one eye the chance of RD in the other eye can be as high as 10-20% so watch that eye carefully.