Table 2.
Diagnoses
| Condition name | ICD-10 codes | Primary diagnosis | Non-primary diagnosis | ||
| N | % | N | % | ||
| Strabismus | H50, H49.1, H51.1, H51.8 | 131 | 62.4 | 39 | 18.6 |
| Esotropias | H50.01–H50.08, H50.31–H50.32, H50.4 | 40 | 19.0 | 4 | 1.9 |
| Constant | 37 | 17.6 | 3 | 1.4 | |
| With A or V pattern* | 6 | 2.9 | 0 | ||
| Congenital* | 4 | 1.9 | 0 | ||
| Accommodative and partially accommodative* |
17 | 8.1 | 1 | 0.5 | |
| Intermittent | 2 | 1.0 | 1 | 0.5 | |
| Accommodative | 2 | 1.0 | 0 | ||
| Exotropias | H50.11–H50.18, H50.33–H50.34 | 70 | 33.3 | 10 | 4.8 |
| Constant | 13 | 6.2 | 2 | 1.0 | |
| With A or V pattern | 8 | 3.8 | 0 | ||
| Intermittent | 57 | 27.1 | 8 | 3.8 | |
| With A or V pattern | 11 | 5.2 | 0 | ||
| Vertical strabismus | H50.2 | 3 | 1.4 | 0 | |
| Intermittent heterotropia | H50.30 | 0 | 1 | 0.5 | |
| Heterophoria | H50.5 | 9 | 4.3 | 10 | 4.8 |
| Brown syndrome | H50.6 | 1 | 0.5 | 1 | 0.5 |
| Duane’s syndrome | H50.8 | 2 | 1.0 | 1 | 0.5 |
| Superior oblique palsy | H49.1 | 5 | 2.4 | 0 | |
| Convergence insufficiency | H51.11 | 1 | 0.5 | 8 | 3.8 |
| Dissociated vertical deviation | H51.8 | 0 | 10 | 4.8 | |
| Functional vision loss | F45.8 | 1 | 0.5 | 0 | |
| Eyelid abnormalities and lesions | D22.10, H00.1, H01.0, H02.4, H05.221, Q10.0, Q82.5 | 12 | 5.7 | 18 | 8.6 |
| Conjunctivitis and conjunctival disorders | D31.0, H10, H11 | 9 | 4.3 | 7 | 3.3 |
| Keratitis and corneal abnormalities | D31.1, H16, H17 | 5 | 2.4 | 2 | 1.0 |
| Infantile and juvenile cataract | H26.0 | 1 | 0.5 | 1 | 0.5 |
| CHRPE and other specified retinal disorders | D31.31, H31.002, H35, Q14.1 | 3 | 1.4 | 6 | 2.9 |
| Glaucoma suspect | H40.0, Q14.2, Q15.0 | 10 | 4.8 | 1 | 0.5 |
| Vitreous floaters | H43.391 | 1 | 0.5 | 2 | 1.0 |
| Optic nerve disorders | H47, Q14.2 | 8 | 3.8 | 0 | |
| Optic nerve hypoplasia | H47.03 | 1 | 0.5 | 0 | |
| Optic disc anomaly | H47.09, H47.39 | 3 | 1.4 | 0 | |
| Optic disc cupping | H47.39, Q14.2 | 4 | 1.9 | 0 | |
| Amblyopia | H53.0 | 3 | 1.4 | 20 | 9.5 |
| Nystagmus | H55.0 | 2 | 1.0 | 2 | 1.0 |
| Anisocoria | H57.02 | 0 | 2 | 1.0 | |
| Ocular pain | H57.10 | 0 | 1 | 0.5 | |
| Pseudostrabismus | Q10.3 | 2 | 1.0 | 6 | 2.9 |
| Congenital nasolacrimal duct obstruction | Q10.5 | 8 | 3.8 | 0 | |
| Anterior segment abnormalities/malformations | D31.4, H21.273, Q13 | 2 | 1.0 | 3 | 1.4 |
| Non-ocular conditions† | |||||
| Type 1 diabetes | E10.9 | 3 | 1.4 | 0 | |
| Type 2 diabetes | E11.9 | 1 | 0.5 | 0 | |
| Facial nerve palsy | G51.0 | 2 | 1.0 | 0 | |
| Juvenile idiopathic arthritis | L40.54 | 1 | 0.5 | 0 | |
| Torticollis | M43.6, R29.3 | 2 | 1.0 | 0 | |
| Unspecified cleft palate with unilateral cleft lip | Q37.9 | 1 | 0.5 | 0 | |
| Neurofibromatosis, type 1 | Q85.01 | 1 | 0.5 | 0 | |
| No medical diagnosis | 1 | 0.5 | 0 | ||
*Strabismus conditions are not mutually exclusive.
†These were patients undergoing screening examinations who had no ocular clinical examination findings.
CHRPE, congenital hypertrophy of the retinal pigment epithelium.