Navy: possess uncorrected vision no worse than 20/40 in one eye and 20/70 in the other eye correctable to 20/20 through contacts or glasses (corrective surgery
PRK is also possible), there are waivers for colorblindness
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Army:
5–3. Medical fitness standards for initial selection for Airborne training, Ranger training, and Special Forces training, and Reconnaissance and Surveillance Leaders Course training The causes of medical unfitness for initial selection for Airborne training, Ranger training, Special Forces, and Reconnaissance and Surveillance Leaders Course (RSLC) training are all the causes listed in chapter 2, plus all the causes listed in this paragraph and paragraphs 5–4 and 5–6.
g. Eyes and vision.
(1) Paragraphs 2–12 and 2–13 with exceptions noted below.
(2) For Airborne and Ranger training: Distant visual acuity of any degree that does not correct to at least 20/20 in one eye and 20/100 in the other eye within 8 diopters of plus or minus refractive error, with spectacle lenses.
(3) For Special Forces training: Distant visual acuity of any degree that does not correct to 20/20 in both eyes with spectacle lenses. Any refractive error in spherical equivalent of worse than plus or minus 8 diopters.
(4) For Airborne and Special Forces training: Failure to pass the PIP set or FALANT test for color vision (see para 4–2a) unless the applicant is able to identify vivid red and/or vivid green as projected by the Ophthalmological Projector or the Stereoscope, Vision Testing (SVT).