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Table 1 Eligibility criteria

From: Understanding the visual function symptoms and associated functional impacts of phakic presbyopia

Eligibility criteria  
Inclusion criteria Participants diagnosed with presbyopia aged 40–65 years with confirmation of diagnosis by an optometrist or other healthcare professional
  Fluent speaker, literate and able to read and write in their local language
  Willing and able to provide written informed consent and to perform all study activities; including participating in at least one in-depth interview
Exclusion criteria Participant has a history of lens extraction or replacement (e.g. cataract surgery)
  Participant has a diagnosis of any other ocular condition, other than short-sightedness (myopia) or long-sightedness (hyperopia), that had an impact on visual acuity (e.g. cataracts)
  Participant has any other physical or mental illness that, in the opinion of the recruiting clinician, might influence the responses they give during the interview or might impact the participant’s ability to engage with the interview or provide appropriate input