Cataract
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) Patients clinically diagnosed with age-related cataract or secondary cataract, who need to undergo phacoemulsification and intraocular lens implantation; (2) Age over 18 years old, gender; (3) Lens nucleus hardness <= grade IV; (4) Preoperative corneal astigmatism less than 1.5D; (5) Have sufficient cognitive ability to understand the research content and be able to cooperate with all tests during the research process; (6) Good surgical indications, and informed consent from the patient and their family.
Exclusion criteria
Exclusion criteria: (1) Patients with concurrent diseases such as glaucoma, retinopathy, corneal disease, and old ocular inflammation; (2) Those who have undergone ophthalmic surgery; (3) Patients with corneal endothelial cell count lower than 2000 cells/mm^2; (4) Patients with contraindications for cataract surgery such as intraocular inflammation; (5) Patients with severe systemic diseases that prevent them from cooperating to complete the study; (6) Patients using drugs that may affect vision or brain function and cannot discontinue them during the study; (7) Pregnant or lactating women; (8) Patients who fail to have regular postoperative check-ups; (9) Patients with unrealistic expectations regarding postoperative visual quality.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Oxygenated hemoglobin content;Defocus curve;Objective Visual Quality Assessment Indicator – Strelby;Objective visual quality evaluation index - area ratio;diopter;eyesight;intraocular pressure;Cataract Function Questionnaire;reading ability; | — |
Countries
China
Contacts
Affiliated Eye Hospital of Shandong University of Traditional Chinese Medicine