Osmoprotective Containing Lubricants in Dysfunctional Tear Syndrome and Post Refractive Surgery Patients

Inclusion criteria

• Adult patients willing and able to comply with the protocol who are not planning changes in diet, topical or systemic drugs during the course of study.
• DTS all the patients will be diagnosed for mild to moderate evaporative dry eye as defined by following criteria that will be given by Outcome measurements:

2.1. Break up time. 2.2. Lissamine green staining. 2.3. OSDI and Patient Symptomatology Questionnaire.

• The patients, whose are going to be submitted for refractive surgery.

Exclusion criteria

• Any patient with punctual occlusion or punctual plugs.
• Patients with active ocular infection or inflammatory disease, history of herpetic keratitis, history of retinal detachment, concurrent contact lens use during trial period,
• Patients with glaucoma, anterior membrane dystrophy, active trichiasis or any eyelid globe malposition abnormality.
• Patients with Epiphora.
• Patients must not have participated in any investigational therapeutic drug or device trial within the 30 days prior to their start date for this trial.
• Any patient suffering from organic brain syndromes or major psychiatric disorder that would interfere with compliance or subjective reporting will be discouraged from participating in this trial.