Study on the Effect of Two Ways of Cycloplegia on Biological Parameters of Ciliary Muscle

This is an interventional diagnostic trial for Accomodation Read More

Inclusion Criteria:

• ①Age 6 to 12 years old;

  • Both eyes are in line with the diagnosis of myopic refractive error and the myopia is 0.25D < myopia spherical lens <6.00D, astigmatism <2.00D, binocular anisometropia <3.00D, and the best corrected distance visual acuity is at least 0.8, near vision at least 0.8;

    • A clear anterior segment image can be obtained through anterior segment OCT;

      • Have normal thinking and language communication skills, and can actively cooperate with the inspection process; ⑤ No contraindications to atropine treatment such as acute eye inflammation, dry eye, keratoconus, diabetes, etc.; ⑥Written informed consent of the guardian and the child himself

Exclusion Criteria:

• ① Combined with neurological diseases and have allergies or contraindications to cycloplegic drugs or other drugs;

  • Intraocular pressure ≥21mmHg; history of photosensitivity, glaucoma, blue eye syndrome, ocular hypertension, and retinal macular lesions or damage;

    • Patients with chronic eye diseases such as ocular trauma and allergic conjunctivitis;

      • Those who wear contact lenses and those who use myopia control-related drugs within 1 month; ⑤ Patients with previous varus trichiasis, severe horn, conjunctiva infection and other eye diseases;

        • Insufficient image quality, such as inconsistent field of view, poor image exposure, inaccurate image focus, stains, shadows or crescent shadows, etc.;

          • There are systemic diseases; ⑧ Epilepsy, mental disorders unable to communicate normally; ⑨ Other circumstances judged by the investigator to be unsuitable to participate in the research