Factors Influencing Subjective Visual Quality in Human Eyes
Trial statusNot yet recruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age18-45
SponsorTianjin Eye Hospital
About this trial
To assess subjective visual symptoms using the QoV questionnaire, measure pupil size using the Atongmu Pupillometer, measure wavefront aberrations using the OPD-Scan III Aberrometer, and measure/calculate the effective optical zone using the Pentacam system. The relationships between pupil size, higher-order aberrations (HOAs), effective optical zone after refractive surgery, and subjective visual symptoms will be explored.
Eligibility criteria
Qualifiers
Myopic or myopic astigmatism patients aged 18 to 45 years.
Transparent ocular media, absence of ocular diseases such as corneal leucoma, cataract, etc.
Round pupils with normal light reflex, absence of dyscoria, corectopia, significant persistent pupillary membrane, or absence of the pupil.
Absence of severe psychological or psychiatric disorders, ability to cooperate with examinations and questionnaire completion.
Disqualifiers
Opacities of the ocular media, such as corneal leucoma, cataract, etc.
Pupil deformation, displacement, significant persistent pupillary membrane, or absence of the pupil.
Severe psychological or psychiatric disorders.
Concurrent diagnosis of other ocular diseases (e.g., glaucoma, corneal opacity, uveitis, etc.).
Trial design
Treatments tested in this trial
- Corneal Refractive Surgery
Treatment groups
300 Participants
are divided into 1 treatment groupLocations
Sponsors and collaborators
Source ClinicalTrials.gov