Diplopia Referral Access Criteria

Referrers should use this page when referring patients to public adult ophthalmology outpatient services for diplopia. 
Emergency referral
If any of the following are present or suspected, refer the patient to the emergency department or seek emergency medical advice if in a remote region.
  • Sudden onset of any of the following: constant convergent squint (esotropia), divergent squint (exotropia), double vision at any age, acute trauma related strabismus, acute esotropia +/or acute leukocoria
Immediate referral
Orange exclamation mark in triangle: orange alertImmediately contact on-call registrar or service to arrange immediate ophthalmology assessment (seen within 7 days):
  • Nil
To contact the relevant service, see HealthPathways: Acute Ophthalmology Assessment (external site)
Presenting issues
If any of these issues are present, refer to outpatient services through the Central Referral Service (CRS).
  • Diplopia or long-standing large angle conspicuous deviation that bothers patient
  • Recent onset deviation           
Mandatory information
Referrals missing 'mandatory information' with no explanation provided may not be accepted by site. If 'mandatory information' is not included, the explanation must be provided in the body of the referral (e.g. patient unable to access test due to financial reasons or geographical location).

This information is required to inform accurate and timely triage. If unable to attach reports, please include relevant information/findings in the body of the referral and advise where (provider) investigation/imaging was completed.

  • Relevant history, onset, duration and severity of symptoms
  • Details of previous treatment and outcome
  • Best corrected visual acuity (BCVA) - vision with most recent distance spectacles 
  • Nil
Highly desirable
  • Nil            
  • Nil
  • Most recent optometrist or private ophthalmologist report including:
    • Refraction
    • Impact of symptoms
Indicative triage category

Category 1

Appointment within 30 days

  • New onset diplopia associated with thyroid orbitopathy/ cranial nerve palsy +/- or possible neurologic disorder 

Category 2

Appointment within 90 days

  • Long standing diplopia associated with thyroid orbitopathy 

Category 3

Appointment within 365 days

  • No defined category 3 criteria
  • Nil
Useful information


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