tubular or tunnel vision - visual field defect - telescopic view of ocean

atrophy azure binocular blue central circular constricted constriction defect defective disease disorder distance eye eyes eyesight faculty far field glaucoma health horizon loss mindedness monocular narrow near nearsightedness ocean ocular ophthalmology optic optical optometry perception peripheral perspective pigmentosa power retinitis see seeing sight telescope telescopic tubular tunnel view vision visual water