Effect of Artificial Tears on the Parameters of the Eye and Its Impact on IOL Power Calculation for Cataract Surgery (IOL)
Cataract Senile, Dry Eye
About this trial
This is an interventional diagnostic trial for Cataract Senile
Eligibility Criteria
Inclusion Criteria:
- A patient diagnosed with age related cataract
- 30 to 95 years old
- Medical history and physical examination should be normal.
Exclusion Criteria:
• Abnormality of the cornea (scaring of the cornea)
- If any topical therapy (i.e. glaucoma) of the eye is needed
- Active allergy of eye or nose
- Any conjunctivitis or keratitis
- If nasolacrimal drainage apparatus is abnormal
- severity level 4 of dry eye (constant discomfort in the eye accompanied with visual symptoms, filamentary keratitis, , keratinization, severe conjunctival injection, ulceration clumping of mucus glands, tear debris, , trichiasis, symblepharon)
- deformities of lid
- Preceding eye trauma or surgery
- Any Uncontrolled ocular disease or systemic disease
- Lactation
- Pregnancy
Sites / Locations
- Department of Ophthalmology, Second affiliated hospital of Xian Jiaotong UniversityRecruiting
Arms of the Study
Arm 1
Arm 2
Active Comparator
Active Comparator
sodium hyaluronate 0.1%
sodium hyaluronate 0.3%
First preoperative Biometry of the eye at the IOL Master® will be measured. Then, corneal topography will be measure at the Oculus pentacam®. Afterwards, sodium hyaluronate 0.1% will be installed and biometry and corneal topography will be repeated after 5 minutes.
First preoperative Biometry of the eye at the IOL Master® will be measured. Then,corneal topography will be measure at the Oculus pentacam®. Afterwards, sodium hyaluronate 0.3% will be installed and biometry and corneal topography will be repeated after 5 minutes.