For ophthalmology trainees on call

The urgent eye reference that fits in your pocket.

Start from the patient's complaint, see the can't-miss diagnoses first, then get the workup and management in seconds. It works offline, so it's there in the ED basement too.

Coming soon to theApp Store Coming soon toGoogle Play

Built for the 2 a.m. consult

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Fast search

Look up a diagnosis, symptom, abbreviation or drug and land on the right topic.

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Differential by complaint

Start from what the patient says, with can't-miss diagnoses flagged first.

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Workup and management

Structured sections for history, exam, testing and treatment, with medications in bold.

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Urgency at a glance

Every topic carries an urgency rating so you know how fast to act.

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Saved and recent

Keep the topics you use most one tap away, stored only on your device.

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Feedback on every topic

Spot an outdated dose or a missing detail? Send it to the editor from inside the app.

About

Eye ER was created and is edited by Sidney Chang, MD, a glaucoma- and corneal-fellowship trained Ophthalmologist based in Maryland. He was one of the original founders of OphthoQuestions, which became one of the most popular board preparation tools in Ophthalmology. He values ophthalmic education and patient outcomes.

Educational use only. Eye ER is a reference for trained clinicians and trainees. It does not replace clinical judgment, supervision, or local protocols, and it is not intended for patients to diagnose or treat themselves.