Table 1 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