Ct 80a

Treatment Success Rate. Efficacy evaluation criteria: complete success: IOP < 21 mmHg without any IOP lowering drugs; partial success, IOP < 21 mmHg with IOP lowering drugs; failure: after maximum use of drugs for glaucoma, IOP >21 mmHg or complications occurred during maximum use of glaucoma medications, requiring additional ocular surgery. Treatment success rate = (complete successful cases + partial successful cases)/total cases ×100%. Basic indicators of operation: operation time, neovascular bleeding times, and the use of electrocoagulation were recorded. Best corrected visual acuity (BCVA): the BCVA was detected before and 6 months after the operation in both arms. IOP: before and 6 months after surgery, the IOP was measured with a Topcon CT80 A noncontact tonometer (Topcon, Japan, CT80 A). Fovea thickness: six months after the operation, the fovea thickness of the two groups was measured by optical coherence tomography.

The patient’s vision was measured using an international standard visual acuity chart before and after nursing. Intraocular pressure was measured using the TOPCON CT-80A noncontact tonometer during the same period. The visual acuity decline of patients was calculated, and the evaluation standard was based on a decrease of ≥2 rows in the patient’s original vision.

The Diopter inspection was conducted with the full-automatic optometer (Nidek, Japan) to determine the nature and degree of refraction. Subjective optometry was then completed with the comprehensive optometer (Nidek RT3100) to convert the power of the isospherical mirror using this equation: the reading of the isospherical mirror = the subjective optometric spherical mirror + astigmatism / 2.7 (link) Intraocular pressure was measured using a non-contact tonometer (TOPCON, CT-80a, Japan), and each eye was measured three times with the average value taken. Based on the optometry results the correct way to wear spherical and column lens was determined and measured through the international standard logarithmic vision chart. After mydriasis treatment with medori eye drops (Shentian pharmaceutical, J20180051), the fundus examination was performed through a 90D front mirror, and fundus photography was completed in high myopia mode using a fundus color camera (Chongqing Kanghua Ruiming, AOS-AER). The macular optical coherence tomography was performed using frequency domain coherence tomography technology (Spectralis, Heidelberg, Germany) to quickly perform macular scanning. The scanning line length was 6mm and the included angle was 30°.