Clinical Research Directory

Inclusion Criteria * Age ≥18 years * Equivalent spherical ≤-6D or axial length ≥26.5mm * Best corrected visual acuity ≥ 6/12 Exclusion Criteria * Unwilling or unable to give consent, or unable to return for scheduled protocol visits. * Glaucoma secondary to penetrating keratoplasty, trauma, steroids, retinal disease/surgery, or neovascular disease. * Obvious corneal and iris lesions, or severe cataracts interfering with fundus examinations, VF test or monophthalmia. * Need for ocular surgery/laser or anticipated need for cataract surgery during the study period. * Other serious systemic diseasesf (i.e. hypertension, heart disease, diabetes, or rheumatic immune system diseases); * Pregnant or nursing women