Answer
Seek assessment if symptoms worsen or irritation, pain, redness or vision changes occur. Persistent symptoms also merit professional advice.
Sources for this answer
- Celluvisc 0.5% w/v, eye drops, solution — Current selected SmPCemc · Summary of Product Characteristics
- NHSNHS · NHS medicine guidance
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.