What are common symptoms of blepharitis?

Blepharitis is a common inflammation of the eyelid margins, and it typically presents with characteristic symptoms that include redness of the eyelids, itchiness, and often a sensation of dryness in the eyes. The inflammation can lead to irritation, and patients frequently report symptoms such as burning or grittiness, which are associated with the underlying condition affecting the eyelid glands and the skin along the eyelid.

In this context, the mention of red and itchy eyelids directly correlates with the inflammatory nature of blepharitis, while the description of dry eyes aligns with the symptoms that patients frequently experience as a result of disrupted tear film stability or secondary symptoms from the condition.

Other options provided describe symptoms that do not align with typical blepharitis. For instance, painless styes are usually associated with other entities such as chalazia or bacterial infections rather than blepharitis. The burning sensation and tingling may be part of the symptom complex, but they are not as definitive as the classic presentation of redness and itching. Fluffy white patches on the retina are indicative of other ocular conditions such as retinal infections or conditions affecting the vitreous humor, which are unrelated to blepharitis. Therefore, the symptoms described in relation to red