Numerous research studies have demonstrated the scope and value of eye movement recording (EMR). There is now potential for EMR to be helpful in a range of clinical contexts and it could be developed as a routine part of the repertoire of clinical investigations offered by the NHS, at least in tertiary centres. We highlight potential uses and challenges below, as a prelude to further development and debate.

EMR in patients with nystagmus is already increasingly used clinically and provides the only method for identifying the exact waveform [1, 2]. A classic example is identifying the characteristic accelerating waveform of infantile nystagmus syndrome (INS), which obviates the need for urgent investigations of newly diagnosed nystagmus, saving the patients and the NHS time and money. EMR may also indicate the cause of an abnormal head posture (AHP) and identify the best option for treatment. For example, an AHP may be adopted to use a null point in subclinical, previously undiagnosed INS or to put an eye into adduction if the patient has latent nystagmus.

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