Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Comparison of the visual quality of traditional ultrasound biometrics and lenstar on the cataract patients with diabetic retinopathy after vitrectomy in the 3 months later.To evaluate the clinical value of lenstar in post-vitrectomy patients.
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Group:Traditional ultrasonic biological | The measurement of axial length was performed in 60 eyes (30 eyes for each group) with senile cataract of vitrectomised eye of diabetic retinopathy using lenstar and traditional ultrasonic biological combined with cornea curvimeter.In this group,we use traditional ultrasonic biological combined with cornea curvimeter to measure the ocular parameter. |
| |
| Group:Lenstar | The measurement of axial length was performed in 60 eyes (30 eyes for each group) with senile cataract of vitrectomised eye of diabetic retinopathy using lenstar and traditional ultrasonic biological combined with cornea curvimeter.In this group,we use lenstar to measure the ocular parameter. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Traditional ultrasound biometrics | Device | To evaluate the clinical feasibility of using a new optical coherence interferometry ( lenstar ),comparing with traditional ultrasonic biometry and keratometry in the accuracy and characteristics for intraocular lens calculation of cataract after PPV |
| Measure | Description | Time Frame |
|---|---|---|
| the visual quality of the eye after surgery | the visual quality of the eye after surgery through optical path difference scan（OPD Scan） | one month |
| the visual quality of the eye after surgery | the visual quality of the eye after surgery through optical path difference scan（OPD Scan） | three month |
Not provided
Not provided
Inclusion Criteria:
Exclusion Criteria:
Not provided
Not provided
Not provided
Not provided
Patients with cataract after vitrectomy because of diabetic retinopathy.
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| bojie Hu, docter | Contact | 13612130943 | hbj151617@163.com | |
| yanhua He, master | Contact | 13920555905 | heyanhua0104@163.com |
| Name | Affiliation | Role |
|---|---|---|
| bojie Hu, docter | Tianjin Medical University Eye Hospital | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Tianjin Medical University Eye Hospital | Recruiting | Tianjin | Tianjin Municipality | China |
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
| ID | Term |
|---|---|
| D002386 | Cataract |
| ID | Term |
|---|---|
| D007905 | Lens Diseases |
| D005128 | Eye Diseases |
Not provided
Not provided
Not provided
Not provided
Not provided
|
| Lenstar | Device | To evaluate the clinical feasibility of using a new optical coherence interferometry ( lenstar ),comparing with traditional ultrasonic biometry and keratometry in the accuracy and characteristics for intraocular lens calculation of cataract after PPV |
|