What are the causes of floaters in the eyes?

Under normal circumstances, possible causes of eye floaters may include aging, vitreous hemorrhage, intraocular inflammation, retinal tears, diabetes, and others. If any discomfort occurs, it is recommended to seek immediate medical attention. Specific analyses are as follows:

1. Aging: As people age, the vitreous inside the eye gradually becomes more liquid and loose. This can cause fibrous mesh-like materials or cellular debris within the vitreous to cast shadows in the visual field, resulting in floaters. This condition is common among older adults and is usually a normal manifestation of aging.

2. Vitreous Hemorrhage: Vitreous hemorrhage may result from trauma, surgery, or other eye diseases causing blood vessel rupture. When blood enters the vitreous cavity, it causes cloudiness of the vitreous, thereby triggering floaters. Warm compresses with a towel, as directed by a physician, may help promote absorption of the accumulated blood.

3. Intraocular Inflammation: Intraocular inflammation is typically caused by eye injuries, surgery, or infections. When an inflammatory response occurs within the eye, inflammatory cells and exudates may enter the vitreous cavity, leading to vitreous opacity and inducing floaters. Treatment may include medications such as erythromycin ophthalmic ointment, tobramycin-dexamethasone ophthalmic ointment, or levofloxacin ophthalmic solution, used under a doctor's guidance.

4. Retinal Tear: A retinal tear is caused by traction forces exerted by the vitreous on the retina. During this process, changes in the density and mass of the vitreous may occur, potentially leading to floaters. Medical treatment such as laser photocoagulation can be used to seal the retinal tear.

5. Diabetes: Diabetic patients may develop diabetic retinopathy, which includes bleeding, exudation, and formation of new blood vessels. These changes may lead to vitreous hemorrhage or damage to retinal tissue, thus triggering floaters. Treatment may involve medications such as insulin glargine injection, insulin aspart injection, or acarbose capsules, as advised by a physician.

In daily life, it is important to maintain good ocular hygiene, avoid rubbing the eyes, and ensure adequate sleep to support overall eye health.