through glasses frame. colorful view of green fresh pine needles in glasses and monochrome background

accessory background better blindness change closeup color colorful colorless concept correction daltonism difference different eye eyeglasses eyesight eyewear field floral focus frame fresh glass glasses green grey health hopefulness improve improvement lens look mental monochrome natural nature needles optimism outdoor perception perspective pine plant positive positivism positivist protection sight spectacles spring test view viewpoint vision watch world