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What are the symptoms?

Ocular melanoma can be difficult to diagnose as it forms in the part of the eye that isn’t visible to you or others. It doesn’t typically cause any signs and symptoms and is usually detected by an optometrist during a routine eye test.

Symptoms that some people may experience include:

  • poor or blurred vision in one eye
  • loss of peripheral vision
  • brown or dark patches on the white of the eye
  • a dark spot on the iris
  • small specks, wavy lines or ‘floaters’ in your vision
  • flashes in your vision
  • a change in the shape of the pupil.

These symptoms can be caused by other eye conditions, but if you experience any of these symptoms you need to discuss them with your doctor.

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This information is reviewed by

This information was last reviewed February 2021 by the following expert content reviewers: A/Prof William Glasson, Ophthalmologist, Queensland Ocular Oncology Service, Queensland; Dr Lindsay McGrath, Ophthalmic Surgeon, Queensland Ocular Oncology Service, Queensland; Caitriona Nienaber, 13 11 20 Consultant, Cancer Council WA; Jane Palmer, Senior Oncology Nurse and Researcher, Oncogenomics Laboratory, QIMR Berghofer Medical Research Institute, Queensland Ocular Oncology Service, Queensland; Katrina Potter, Consumer; Susan Vine, OcuMel Australia; Ann Marie Weber, Consumer; Dr Wenchang Wong, Senior Radiation Oncologist, Prince of Wales Hospital, Sydney, Conjoint Senior Lecturer, University of NSW.