You can apply.
Pharmaceutical eye drops can be patented. If the drug is novel, creative and practical, and the submitted application materials are correct, the patent administration department of the State Council will grant the applicant patent rights. Patent authorization is only made in accordance with the relevant provisions of the Patent Law and does not mean that the drug meets the conditions for market access. The patentee needs to go through the approval procedures with the relevant functional departments in accordance with relevant laws and regulations before implementing the patent.