The goal of this interventional clinical trial is to learn whether Cationorm can improve symptoms after pterygium surgery. The main question it aims to answer is what is the level of improvement of symptoms after pterygium surgery. Researchers will compare with other artificial tears (hyaluronic acid, polymers or cellulose derivatives eye drops) arm to see if Cationorm is similar or superior in terms of improvement of symptoms after pterygium surgery. Participants will * Take 1 drop Cationorm/artificial tear before and after surgery and during follow up. * Visit for checkups after 7 days
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Frequency and Severity of Blurred Vision symptom
Timeframe: From enrollment to 7 days after surgery
Frequency and Severity of Eye Pain symptom
Timeframe: From enrollment to 7 days after surgery
Frequency and Severity of Watery Eyes symptom
Timeframe: From enrollment to 7 days after surgery
Frequency and Severity of Itchiness symptom
Timeframe: From enrollment to 7 days after surgery
Frequency and Severity of Grittiness symptom
Timeframe: From enrollment to 7 days after surgery
Frequency and Severity of Sensitivity to Light symptom
Timeframe: From enrollment to 7 days after surgery