Here are the vision standards for the ATC medical...
ATCS MEDICAL QUALIFICATION STANDARDS
Air Traffic Control Personnel - Series GS2152
INITIAL EMPLOYMENT
Applicants for initial appointment to air traffic control specialist positions must comply with the following requirements:
Eye
(1) The applicant must demonstrate: Distant visual acuity of 20/20 in each eye separately, without correction, or distant visual acuity of 20/200 or better in each eye separately, with correction to 20/20 in each eye. Glasses or contact lenses are permitted.
(2) The applicant must demonstrate: Near visual acuity of v=.50 (or equivalent according to table of equivalent scale) or better in each eye separately without correction or near visual acuity of v1.25 or better in each eye separately, with correction to v=.50 in each eye. Glasses or contact lenses are permitted.
(3) An applicant who must utilize both glasses and contact lenses to demonstrate acceptable near and distant vision is disqualified.
(4) The applicant must demonstrate normal color vision.
(5) The applicant must demonstrate normal central and peripheral fields of vision.
(6) If any medication is routinely required for control of intraocular tension, the applicant is disqualified.
(7) The applicant must demonstrate no hyperhoria or hypophia greater than one prism diopter.
(8) The applicant must demonstrate no esophoria greater than six prism diopters.
(9) The applicant must demonstrate no exophoria greater than six prism diopters.
(10) If examination, including tonometry, of either eye or adnexa reveals any form of glaucoma or cataract formation, uveitis, or any other acute or chronic pathological condition that would be likely to interfere with proper function or likely to progress to that degree, the applicant is disqualified.
(11) An applicant under any form of treatment for any chronic disease of either eye is disqualified.
(12) The applicant must demonstrate full range of motion of external ocular muscles.