Cataract, Corneal Opacity, Hypermature Cataract, Lens Subluxation, Small Pupil
Conditions
Keywords
Bandage contact lens, cataract surgery, dry eye
Brief summary
To study the efficacy of an ocular bandage contact lens for the treatment of dry eye after complicated and combined cataract surgery
Interventions
DEVICEbandage contact lenses(PureVision; Bausch & Lomb Inc., Rochester, NY)
wear an bandage contact lenses for a week after Complicated and Combined cataract surgery.
PROCEDUREphacoemulsification
underwent standard phacoemulsification through a 2.8-mm clear corneal temporal incision and intraocular lens
Sponsors
Second Affiliated Hospital, School of Medicine, Zhejiang University
Study design
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)
Eligibility
Sex/Gender
ALL
Age
40 Years to 80 Years
Healthy volunteers
No
Inclusion criteria
1. cataract patients（age 40-80） 2. complex symptom（such as:corneal opacity、small pupil、zonule relaxationlens subluxation、Shallow Anterior Chamber、hypermature cataract、hard nucleus,etc） 3. dry eye disease
Exclusion criteria
1. simplex age-related cataract 2. contact lens use 3. ocular therapies such as 0.05% cyclosporine A or steroids in the last 3 months 4. any systemic diseases such as heart diseases, diabetes and psychosis
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Ocular Surface Disease Index questionnaire | 0 day preoperatively | Ocular Surface Disease Index questionnaire were included 12 questions，and each was rated from 0-4 |
| Tear Breakup Time | 0 day preoperatively | Tear Breakup Time was performed to assess tear film stability |
| Schirmer test with anesthesia | 0 day preoperatively | The Schirmer test was performed by inserting a test strip |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Subjective symptoms | 0 day preoperatively | Subjective symptoms evaluation related to 11 ocular symptoms ，and each was graded as follows：0 never、1 occasional、2 often、3 always |
| Fluorescein Staining | 0 day preoperatively | The corneal surface was divided into four regions, and each region was scored as follows: 0, no staining; 1, between one and three dots; 2, less than five dots; and 3, bulk or strip staining. The four regions scores were then added to obtain a final score for the eye |
Other
| Measure | Time frame | Description |
|---|---|---|
| Best Corrected Visual Acuity | 0 day preoperatively | The BCVA was measured by the same optometrist at each visit |
Countries
China
Contacts
Primary Contactwen xu, PHD
Outcome results
None listed