Initial Management of Anterior Segment Disease

Rationale for Immediate Ophthalmologic Referral

The American Academy of Ophthalmology recommends that patients presenting with blurred vision, pain, and photophobia should undergo an immediate ophthalmologic examination to establish a diagnosis before initiating any treatment, as these symptoms can represent multiple vision-threatening conditions including acute angle-closure crisis, severe uveitis or iritis, infectious keratitis, and corneal edema from various etiologies 1, 2, 3, 4, 5, 6
The presence of symptoms such as blurred vision, pain, and photophobia indicates the presence and urgency of anterior segment disease, and requires urgent specialist assessment to prevent severe visual morbidity and potential blindness 1, 2, 3, 4, 5, 6

A comprehensive ophthalmologic examination should include visual acuity testing, pupil examination, slit-lamp biomicroscopy, intraocular pressure measurement, gonioscopy, and dilated fundus examination to assess the anterior and posterior segments of the eye 1, 2, 3, 4, 5, 6
The American Academy of Ophthalmology recommends that visual acuity testing should be performed as an essential baseline measurement, and that pupil examination may reveal mid-dilated, poorly reactive, or oval pupil in acute angle-closure crisis, or relative afferent pupillary defect in optic nerve disease 1, 3

Delaying treatment for acute angle-closure crisis can result in glaucomatous optic neuropathy, with 18% of eyes becoming blind and 58% having visual acuity worse than 20/40 1, 2
The American Academy of Ophthalmology recommends that any visual compromise should prompt urgent ophthalmology referral to assess the need for specific interventions, and that complaints of red, painful, or irritated eyes, or visual disturbance should alert the clinician to the need for immediate ophthalmological referral for diagnosis, classification, and management 4, 5