Is Yiyan Eye Drops for Glaucoma Treatment? Expert Insights Needed - Ophthalmology

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Is Yiyan Yi an eye drop for glaucoma?


Hello, Doctor Gao.
Yesterday, my grandmother suddenly said that her vision was blurry.
She has glaucoma and has already undergone surgery.
After the examination, the doctor mentioned that she should not stop using her glaucoma eye drops.
I checked the records and found no other prescription records for her.
My grandmother picks up her medication in Pingtung, and I have picked it up once as well.
I just looked at the eye drops, and it says "Yiyan Yi." I would like to ask the doctor if this is the eye drop for glaucoma.
Thank you for your hard work.

Mr. Yang, 30~39 year old female. Ask Date: 2022/10/11

Dr. Gao Pilin reply Ophthalmology


Hello Mr.
Yang: This is not a glaucoma medication! According to the drug's package insert, the indications are: conjunctivitis, keratitis, eye fatigue, dacryocystitis, hordeolum, and inflammation of the eye caused by ultraviolet and other light exposure.

Reply Date: 2022/10/11

More Info


Yiyan Eye Drops, also known as "益眼乙" in Mandarin, is not a standard treatment for glaucoma. Glaucoma is a serious eye condition characterized by increased intraocular pressure (IOP) that can lead to optic nerve damage and vision loss. The primary goal of glaucoma treatment is to lower the IOP to prevent further damage to the optic nerve. This is typically achieved through the use of prescription eye drops, oral medications, laser treatments, or surgical interventions.

The most common classes of medications used to treat glaucoma include:
1. Prostaglandin analogs (e.g., Latanoprost, Bimatoprost): These help increase the outflow of fluid from the eye, thereby lowering IOP.

2. Beta-blockers (e.g., Timolol): These reduce the production of fluid in the eye.

3. Alpha agonists (e.g., Brimonidine): These can both decrease fluid production and increase drainage.

4. Carbonic anhydrase inhibitors (e.g., Dorzolamide): These also reduce fluid production.

5. Rho kinase inhibitors (e.g., Netarsudil): A newer class that increases fluid outflow.

Given that your grandmother has a history of glaucoma and has undergone surgery, it is crucial that she continues her prescribed treatment regimen. If the doctor mentioned that the eye drops cannot be stopped, it likely refers to the necessity of maintaining IOP control to prevent further complications.

Regarding Yiyan Eye Drops, it is essential to verify whether this specific medication is indicated for glaucoma treatment. The name "益眼乙" does not correspond to any widely recognized glaucoma medication in the literature. It is possible that it may be a brand name for a different type of eye drop, perhaps one that is intended for dry eyes or other ocular conditions. Therefore, it is critical to consult with the prescribing physician or pharmacist to clarify the purpose of Yiyan Eye Drops and whether they are appropriate for your grandmother's glaucoma management.

In addition, if your grandmother is experiencing symptoms such as "seeing things foggy," it could indicate a change in her eye condition, possibly related to her glaucoma or other ocular issues. This warrants immediate attention from her eye care provider. Changes in vision can be a sign of increased IOP, cataract formation, or other complications that may arise post-surgery.

In summary, while Yiyan Eye Drops may not be a standard treatment for glaucoma, it is essential to ensure that your grandmother is using the correct medications as prescribed by her eye care specialist. Regular follow-ups and monitoring of her eye condition are crucial to managing glaucoma effectively. If there are any uncertainties about her medications or symptoms, seeking clarification from her healthcare provider is the best course of action.

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