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The following medical conditions could result in initiation of a Medical Evaluation Board (MEB), and could result in medical discharge:

All ophthalmological cases must include visual acuity and Goldmann perimeter charts for peripheral visual field.

Any disease, injury, infection process, or sequelae involving the eye which is resistant to treatment and/or results in:

Distant visual acuity which cannot be corrected to at least 20/40 in the better eye.

The central field of vision in the better eye is less than 20 degrees from fixation in any direction.

Aphakia, bilateral

Night blindness of such a degree that the member requires assistance in travel at night.

Glaucoma with demonstrable changes in the optic disc or visual fields or not amenable to treatment.

Retinal detachment, bilateral.

Retinal detachment, unilateral, which results from organic progressive disease or results in uncorrectable diplopia, or visual acuity or visual field defects worse than specified above.

Enucleated eye

Vision correctable only by the use of bilateral contact lenses or uncommon corrective devices, e.g. telescopic lenses.

Aniseikonia when incapacitating signs or symptoms exist that are not easily treatable with standard ophthalmic spectacle lenses.

Diplopia when symptoms are severe, constant, and in a zone less than 20 degrees from the primary position.

Hemianopsia when bilateral, permanent, and based on an organic defect.

Visual acuity which cannot be corrected to at least:

Better eye/Worse eye

20/20 20/400

20/30 20/200

20/40 20/100

20/50 20/80

20/60 20/60

History of keratorefractive surgery, of any kind, accomplished to modify the refractive power of the cornea, or of lamellar, penetrating keratoplasty.

Above Information Derived from Air Force Instruction 148-23