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Optometry Examinations

Tundra lists 1 Optometry Examinations clinical trial. Each listing includes eligibility criteria, study locations, and direct links to research sites in the Tundra directory.

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NCT06638606

Microbiota Profiles in Newly Married Couples: Potential Effects on Vision, Sleep and Psychometric Parameters

Oral, fecal and conjunctival samples will be collected from participants and will be stored (at - 20 and - 80 ◦C) until further processing. On Day 1 and Day 2, all couples will participate in an oral, conjunctival and gut microbiota composition study. Optometry examinations will be completed for each participant Three and Six months later, oral, conjunctival and gut microbiota composition will be analyzed again with the same protocol. The participants will complete a validated Persian version of Pittsburgh Sleep Quality Inventory (PSQI), Epworth Sleepiness Scale (ESS), Insomnia Severity Index (ISI), global sleep assessment questionnaire (GSAQ) and Ocular Surface Disease Index. Consecutive couples will undergo a standard ophthalmology exam and specific assessments for dry eye, including non-anesthetic Schirmer's test and fluorescein tear break-up time on Day 1 and Day 90.

Gender: All

Updated: 2025-01-10

Sleep Deprivation

Gut Microbiota

Optometry Examinations