| H49 | Paralytic strabismus |
| H49.0 | Third [oculomotor] nerve palsy |
| H49.00 | Third [oculomotor] nerve palsy, unspecified eye |
| H49.01 | Third [oculomotor] nerve palsy, right eye |
| H49.02 | Third [oculomotor] nerve palsy, left eye |
| H49.03 | Third [oculomotor] nerve palsy, bilateral |
| H49.1 | Fourth [trochlear] nerve palsy |
| H49.10 | Fourth [trochlear] nerve palsy, unspecified eye |
| H49.11 | Fourth [trochlear] nerve palsy, right eye |
| H49.12 | Fourth [trochlear] nerve palsy, left eye |
| H49.13 | Fourth [trochlear] nerve palsy, bilateral |
| H49.2 | Sixth [abducent] nerve palsy |
| H49.20 | Sixth [abducent] nerve palsy, unspecified eye |
| H49.21 | Sixth [abducent] nerve palsy, right eye |
| H49.22 | Sixth [abducent] nerve palsy, left eye |
| H49.23 | Sixth [abducent] nerve palsy, bilateral |
| H49.3 | Total (external) ophthalmoplegia |
| H49.30 | Total (external) ophthalmoplegia, unspecified eye |
| H49.31 | Total (external) ophthalmoplegia, right eye |
| H49.32 | Total (external) ophthalmoplegia, left eye |
| H49.33 | Total (external) ophthalmoplegia, bilateral |
| H49.4 | Progressive external ophthalmoplegia |
| H49.40 | Progressive external ophthalmoplegia, unspecified eye |
| H49.41 | Progressive external ophthalmoplegia, right eye |
| H49.42 | Progressive external ophthalmoplegia, left eye |
| H49.43 | Progressive external ophthalmoplegia, bilateral |
| H49.8 | Other paralytic strabismus |
| H49.81 | Kearns-Sayre syndrome |
| H49.811 | Kearns-Sayre syndrome, right eye |
| H49.812 | Kearns-Sayre syndrome, left eye |
| H49.813 | Kearns-Sayre syndrome, bilateral |
| H49.819 | Kearns-Sayre syndrome, unspecified eye |
| H49.88 | Other paralytic strabismus |
| H49.881 | Other paralytic strabismus, right eye |
| H49.882 | Other paralytic strabismus, left eye |
| H49.883 | Other paralytic strabismus, bilateral |
| H49.889 | Other paralytic strabismus, unspecified eye |
| H49.9 | Unspecified paralytic strabismus |
| H50 | Other strabismus |
| H50.0 | Esotropia |
| H50.00 | Unspecified esotropia |
| H50.01 | Monocular esotropia |
| H50.011 | Monocular esotropia, right eye |
| H50.012 | Monocular esotropia, left eye |
| H50.02 | Monocular esotropia with A pattern |
| H50.021 | Monocular esotropia with A pattern, right eye |
| H50.022 | Monocular esotropia with A pattern, left eye |
| H50.03 | Monocular esotropia with V pattern |
| H50.031 | Monocular esotropia with V pattern, right eye |
| H50.032 | Monocular esotropia with V pattern, left eye |
| H50.04 | Monocular esotropia with other noncomitancies |
| H50.041 | Monocular esotropia with other noncomitancies, right eye |
| H50.042 | Monocular esotropia with other noncomitancies, left eye |
| H50.05 | Alternating esotropia |
| H50.06 | Alternating esotropia with A pattern |
| H50.07 | Alternating esotropia with V pattern |
| H50.08 | Alternating esotropia with other noncomitancies |
| H50.1 | Exotropia |
| H50.10 | Unspecified exotropia |
| H50.11 | Monocular exotropia |
| H50.111 | Monocular exotropia, right eye |
| H50.112 | Monocular exotropia, left eye |
| H50.12 | Monocular exotropia with A pattern |
| H50.121 | Monocular exotropia with A pattern, right eye |
| H50.122 | Monocular exotropia with A pattern, left eye |
| H50.13 | Monocular exotropia with V pattern |
| H50.131 | Monocular exotropia with V pattern, right eye |
| H50.132 | Monocular exotropia with V pattern, left eye |
| H50.14 | Monocular exotropia with other noncomitancies |
| H50.141 | Monocular exotropia with other noncomitancies, right eye |
| H50.142 | Monocular exotropia with other noncomitancies, left eye |
| H50.15 | Alternating exotropia |
| H50.16 | Alternating exotropia with A pattern |
| H50.17 | Alternating exotropia with V pattern |
| H50.18 | Alternating exotropia with other noncomitancies |
| H50.2 | Vertical strabismus |
| H50.21 | Vertical strabismus, right eye |
| H50.22 | Vertical strabismus, left eye |
| H50.3 | Intermittent heterotropia |
| H50.30 | Unspecified intermittent heterotropia |
| H50.31 | Intermittent monocular esotropia |
| H50.311 | Intermittent monocular esotropia, right eye |
| H50.312 | Intermittent monocular esotropia, left eye |
| H50.32 | Intermittent alternating esotropia |
| H50.33 | Intermittent monocular exotropia |
| H50.331 | Intermittent monocular exotropia, right eye |
| H50.332 | Intermittent monocular exotropia, left eye |
| H50.34 | Intermittent alternating exotropia |
| H50.4 | Other and unspecified heterotropia |
| H50.40 | Unspecified heterotropia |
| H50.41 | Cyclotropia |
| H50.411 | Cyclotropia, right eye |
| H50.412 | Cyclotropia, left eye |
| H50.42 | Monofixation syndrome |
| H50.43 | Accommodative component in esotropia |
| H50.5 | Heterophoria |
| H50.50 | Unspecified heterophoria |
| H50.51 | Esophoria |
| H50.52 | Exophoria |
| H50.53 | Vertical heterophoria |
| H50.54 | Cyclophoria |
| H50.55 | Alternating heterophoria |
| H50.6 | Mechanical strabismus |
| H50.60 | Mechanical strabismus, unspecified |
| H50.61 | Brown's sheath syndrome |
| H50.611 | Brown's sheath syndrome, right eye |
| H50.612 | Brown's sheath syndrome, left eye |
| H50.69 | Other mechanical strabismus |
| H50.8 | Other specified strabismus |
| H50.81 | Duane's syndrome |
| H50.811 | Duane's syndrome, right eye |
| H50.812 | Duane's syndrome, left eye |
| H50.89 | Other specified strabismus |
| H50.9 | Unspecified strabismus |
| H51 | Other disorders of binocular movement |
| H51.0 | Palsy (spasm) of conjugate gaze |
| H51.1 | Convergence insufficiency and excess |
| H51.11 | Convergence insufficiency |
| H51.12 | Convergence excess |
| H51.2 | Internuclear ophthalmoplegia |
| H51.20 | Internuclear ophthalmoplegia, unspecified eye |
| H51.21 | Internuclear ophthalmoplegia, right eye |
| H51.22 | Internuclear ophthalmoplegia, left eye |
| H51.23 | Internuclear ophthalmoplegia, bilateral |
| H51.8 | Other specified disorders of binocular movement |
| H51.9 | Unspecified disorder of binocular movement |
| H52 | Disorders of refraction and accommodation |
| H52.0 | Hypermetropia |
| H52.00 | Hypermetropia, unspecified eye |
| H52.01 | Hypermetropia, right eye |
| H52.02 | Hypermetropia, left eye |
| H52.03 | Hypermetropia, bilateral |
| H52.1 | Myopia |
| H52.10 | Myopia, unspecified eye |
| H52.11 | Myopia, right eye |
| H52.12 | Myopia, left eye |
| H52.13 | Myopia, bilateral |
| H52.2 | Astigmatism |
| H52.20 | Unspecified astigmatism |
| H52.201 | Unspecified astigmatism, right eye |
| H52.202 | Unspecified astigmatism, left eye |
| H52.203 | Unspecified astigmatism, bilateral |
| H52.209 | Unspecified astigmatism, unspecified eye |
| H52.21 | Irregular astigmatism |
| H52.211 | Irregular astigmatism, right eye |
| H52.212 | Irregular astigmatism, left eye |
| H52.213 | Irregular astigmatism, bilateral |
| H52.219 | Irregular astigmatism, unspecified eye |
| H52.22 | Regular astigmatism |
| H52.221 | Regular astigmatism, right eye |
| H52.222 | Regular astigmatism, left eye |
| H52.223 | Regular astigmatism, bilateral |
| H52.229 | Regular astigmatism, unspecified eye |
| H52.3 | Anisometropia and aniseikonia |
| H52.31 | Anisometropia |
| H52.32 | Aniseikonia |
| H52.4 | Presbyopia |
| H52.5 | Disorders of accommodation |
| H52.51 | Internal ophthalmoplegia (complete) (total) |
| H52.511 | Internal ophthalmoplegia (complete) (total), right eye |
| H52.512 | Internal ophthalmoplegia (complete) (total), left eye |
| H52.513 | Internal ophthalmoplegia (complete) (total), bilateral |
| H52.519 | Internal ophthalmoplegia (complete) (total), unspecified eye |
| H52.52 | Paresis of accommodation |
| H52.521 | Paresis of accommodation, right eye |
| H52.522 | Paresis of accommodation, left eye |
| H52.523 | Paresis of accommodation, bilateral |
| H52.529 | Paresis of accommodation, unspecified eye |
| H52.53 | Spasm of accommodation |
| H52.531 | Spasm of accommodation, right eye |
| H52.532 | Spasm of accommodation, left eye |
| H52.533 | Spasm of accommodation, bilateral |
| H52.539 | Spasm of accommodation, unspecified eye |
| H52.6 | Other disorders of refraction |
| H52.7 | Unspecified disorder of refraction |