OPTOMETRY · SEMESTER 2
Additional Study Notes: Recognising Urgent Eye Problems
Visual Optics and Assessment
Additional Study Notes — newly authored explanations and examples. These sections supplement the supplied course material.
Learning objectives
Identify symptom patterns that need urgent referral and communicate the essential findings to the receiving service.
New flashes, floaters and a curtain
A sudden increase in floaters, flashes of light, or a curtain or shadow in the visual field can indicate retinal detachment. The National Eye Institute advises immediate contact with an eye doctor or emergency service for these symptoms. Do not regard a new spectacle prescription as an adequate response to this presentation.
Chemical and penetrating injury
Chemical eye injury requires immediate attention. Prompt irrigation is central to reducing chemical exposure; obtain urgent clinical assistance and follow the local emergency pathway. Do not postpone first aid simply to complete routine refraction or registration. The College of Optometrists’ chemical-trauma guidance describes rapid assessment, irrigation and referral according to severity.
Suspected penetrating injury is an emergency. The College’s guidance identifies full-thickness injury to the cornea or outer eye wall as requiring emergency referral after appropriate first aid. Routine clinic testing must not delay transfer.
An original referral communication exercise
Use a simulated case to practise a concise handover: patient identity, affected eye, symptom or injury onset, key symptoms, mechanism if injured, relevant findings, first aid already given, medication or allergy information if known, and the reason for urgency. Record whom you contacted, their instructions and the agreed transfer plan.
Explain the plan in a way the patient can understand and check whether they can reach the receiving service. Document the time and advice given. This communication exercise supports referral; it does not replace supervised examination or a local emergency protocol.
Study References
- National Eye Institute: Retinal detachment
- College of Optometrists: Chemical trauma
- College of Optometrists: Penetrating trauma
External references checked 13 September 2026. Worked numerical examples and teaching activities are original.