Small White Bumps on the Eye: Causes and Treatments - Ophthalmology

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The presence of small white bumps on the eye, particularly on the sclera (the white part of the eye), can be concerning for many individuals. Based on your description, it seems you have already consulted with two ophthalmologists, which is a good first step. The terms you mentioned, such as "黄班" (which might refer to a pinguecula or pterygium), and "眼翼" (which could refer to a pterygium), are important in understanding your condition.

Understanding the Conditions:
1. Pinguecula: This is a common, benign growth that appears as a yellowish, slightly raised bump on the conjunctiva, the clear tissue covering the white part of the eye. It is often caused by UV light exposure, dry eyes, or irritation from dust and wind. Pingueculae are usually asymptomatic but can become red or inflamed, leading to discomfort.

2. Pterygium: This is a more significant growth that can extend onto the cornea (the clear front part of the eye). It often has a triangular shape and can cause visual disturbances if it grows large enough. Like pinguecula, pterygium is associated with UV exposure and environmental factors.

3. Conjunctival Cysts: These are fluid-filled sacs that can appear on the conjunctiva. They are generally harmless and may resolve on their own.

4. Other Causes: Small white bumps can also be caused by conditions like conjunctivitis, chalazion (a blocked oil gland), or even foreign bodies.
Symptoms and Diagnosis:
The presence of blood vessels (血絲) around the bump indicates some level of irritation or inflammation. If the bump is not painful and does not affect your vision, it may not be a cause for concern. However, persistent redness and the presence of blood vessels can suggest that the area is irritated, possibly due to dryness, allergies, or the presence of a foreign body.

Treatment Options:
1. Medications: The medications prescribed (SINOMIN and Allergocrom) are typically used to manage allergic reactions and inflammation. SINOMIN is an anti-inflammatory, while Allergocrom is an antihistamine that helps with allergy symptoms. If you have been using these for two weeks without improvement, it may be time to reassess their effectiveness.

2. Artificial Tears: If dryness is a contributing factor, using preservative-free artificial tears can help lubricate the eye and reduce irritation.

3. Avoiding Irritants: Protecting your eyes from UV light by wearing sunglasses and minimizing exposure to wind and dust can help prevent further irritation.

4. Follow-Up: Since you have seen two ophthalmologists, it may be beneficial to seek a third opinion, especially if the bump persists or worsens. A comprehensive eye examination, including a slit-lamp examination, can provide more insight into the nature of the bump.

5. Surgical Options: If the bump is diagnosed as a pterygium or a pinguecula that is causing significant discomfort or visual impairment, surgical removal may be considered.

Conclusion:
In summary, while small white bumps on the eye can be benign, their persistence and associated symptoms warrant careful monitoring. It is essential to follow up with your healthcare provider if symptoms do not improve or if you experience changes in vision. Regular eye examinations and protective measures can help maintain eye health and prevent further complications. If you have any concerns about the medications or their side effects, discussing these with your ophthalmologist is crucial for your ongoing care.