Status:
NOT_YET_RECRUITING
A Self-controlled Study of the Effect of Partial Spectral Absence of Visible Light on the Pupil
Lead Sponsor:
Zhongshan Ophthalmic Center, Sun Yat-sen University
Conditions:
Full Spectrum
Eligibility:
All Genders
7-45 years
Phase:
NA
Brief Summary
Previous studies have shown that the spectrum of light influences myopia. LED lights with a partially absent light spectrum increase the risk of myopia progression compared to LEDs with a full spectru...
Eligibility Criteria
Inclusion
- 1\. Age 7-45 years 2. Able to wear multi-channel physiological measurement devices and cooperate with experimental procedures.
- 3\. Binocular? spherical power between -0.50 to -5.00 diopters, and cylinder power no more than -1.50 diopters.
- 4\. Voluntarily participate in this study with informed consent form signed.
Exclusion
- 1\. History of diseases affecting autonomic nervous system function, such as depression and anxiety.
- 2\. History of eye diseases such as strabismus, amblyopia, keratitis, and glaucoma, which are unsuitable for eye movement test.
- 3\. History of major systemic diseases or surgeries such as cranial surgery, myocardial infarction, or stroke.
- 4\. Systemic medication history that may affect autonomic nervous system function, including but not limited to antidepressants, antihistamines, anticholinergics, antipsychotics, and sedative-hypnotic drugs like diazepam or lorazepam.
- 5\. Use of eyedrops such as mydriatics or miotics that will affect pupil size. 6. Having difficulty in understanding and cooperating with the trial, such as those with disabilities, communication barriers, or those unable to undertake examinations.
- 7\. Other contradictions that the physician may consider inappropriate for enrolment.
Key Trial Info
Start Date :
July 24 2024
Trial Type :
INTERVENTIONAL
Allocation :
ESTIMATED
End Date :
September 30 2024
Estimated Enrollment :
66 Patients enrolled
Trial Details
Trial ID
NCT06501131
Start Date
July 24 2024
End Date
September 30 2024
Last Update
July 15 2024
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