Cataract
Conditions
Sponsors
Beijing Tongren Hospital, CMU
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: 1. Aged more than 18 years old male and female; 2. The monocular or binocular with cataracts, and plans for cataract ultrasonic emulsification, excision plus intraocular lens (iol) implantation in nuclear hardness of 1 ~ 4 (for both eyes cataract patients and nuclear hardness are within the scope of the 1 ~ 4, such as the eyes of nuclear hardness is the same, customize a eye into the group of the test;If the hardness of the binocular nuclei is different, the heavier one is selected; 3. It is expected that the intraocular lens calibration is at 0D to 30D; 4. Preoperative eye correction of distant vision is less than 20/40; 5. Preoperative corneal endothelial cell count is greater than 2000 / mm2; 6. Preoperative eye pupil diameter was 2.5mm ~ 4mm; 7. Preoperative room depth was greater than 2.00 mm; 8. Preoperative ocular axial length was 21 mm ~ 28 mm; 9. Preoperative astigmatism was less than 2.5 D; 10. Voluntary participation in this clinical trial and signing informed consent form.
Exclusion criteria
Exclusion criteria: 1. Combined with implantation of intraocular lens contraindications, such as small eyes, glaucoma, and severe corneal malnutrition,Obvious yellow spot/pigment epithelial cell lesion, diabetic retinopathy, severe optic nerve atrophy,Severe anterior chamber is shallow, choroid hemorrhage, large number of vitreous loss, uncontrolled intraocular pressure increase,Chronic uveitis, posterior capsular rupture or ciliary small band separation (cannot hold the intraocular lens), glass Volume blood or severe turbidity, crystal dislocation or semi-dislocation, and other serious ocular diseases associated with hair; 2. Combined with ocular infectious diseases, such as chronic dacryocystitis; 3. Severe corneal disease; 4. Corneal injury or corneal scar; 5. Have retinal detachment or retinopathy; 6. Have had an ocular injury within 3 months; 7. Have received intraocular or corneal surgery; 8. Severe dry eye or meibomian gland dysfunction (MGD); 9. Traumatic cataract or congenital cataract; 10. With the addition of cataracts, the disease or condition that severely affects the vision is expected to be best corrected after surgery Unable to reach 20/40; 11. The researchers determined that the lateral eye amblyopia or blindness function; 12. Eye joint operation is required; 13. Eye or systemic medications that may be used during or during the study may affect vision or surgery Result judgment; 14. With severe or unstable heart, liver, kidney, lung, endocrine (including hypothyroidism), Blood, mental illness and other diseases that seriously affect the operation; 15. Diabetes mellitus (> 8 mmol/L), or history of diabetes mellitus with a history of diabetes mellitus with eyes that affect the vision after surgery A disease or condition; 16. An electrocardiogram or laboratory test results suggest surgical contraindications; 17. Allergy to equipment or drugs used in research; 18. Pregnant and lactating women; 19. Unsupervised or not able to follow the advice of the physician; 20. To participate in the clinical trial of other drugs or medical devices within 3 months before screening; 21. The investigator's judgment was not appropriate for other situations in which the trial was conducted.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| At 6 months after surgery,the percentage of the best Best correction of distant vision at or above 20/40; | — |
Countries
China
Contacts
Public ContactNingli Wang
Beijing Tongren Hospital, CMU
Outcome results
None listed