What are the symptoms of anterior uveitis?

Generally, common symptoms of anterior uveitis include redness of the eye, eye pain, decreased vision, photophobia (light sensitivity), and floaters. If any discomfort occurs, it is recommended to seek timely medical evaluation and treatment at a正规 hospital. Specific analysis is as follows:

1. Eye Redness

Eye redness mainly manifests as dilation and congestion of the conjunctival blood vessels in the front part of the eyeball, appearing bright red or dark red. This symptom arises when inflammation irritates the conjunctival vessels, increasing vascular permeability and blood filling. It not only affects the eye's appearance but also indicates an inflammatory response in ocular tissues.

2. Eye Pain

Eye pain typically presents as a sensation of pressure or sharp pain, which may radiate to the eyebrow arch and temple areas. Inflammation stimulates the uveal tissue and ocular nerves, triggering pain responses. The discomfort may worsen during blinking or eye movement due to traction on inflamed tissues, significantly affecting daily activities and rest.

3. Decreased Vision

Decreased vision manifests as blurred vision, distorted images, or reduced visual clarity. Inflammation can cause turbidity of the aqueous humor and formation of posterior corneal precipitates, disrupting light refraction and transmission. Additionally, the inflammation may involve the lens or retina, further impairing visual function, thus requiring prompt intervention.

4. Photophobia

Photophobia refers to increased sensitivity to light, causing the eyes to squint involuntarily when exposed to bright light, sometimes accompanied by a stinging sensation. Inflammation heightens the sensitivity of light-detecting ocular tissues, and light stimulation of ocular nerves leads to discomfort. In severe cases, patients may need to stay in dimly lit environments to alleviate symptoms.

5. Floaters

Floaters appear as small spots, thread-like strands, or cloud-like shadows drifting across the field of vision, moving with eye movements. Inflammatory cells or exudates caused by inflammation float in the aqueous humor or vitreous body, blocking light and casting shadows on the retina, resulting in the sensation of moving dark spots.

In addition, anterior uveitis may also present with tearing and eyelid swelling. In daily life, proper eye protection is important—avoiding ocular trauma and infections. Prompt medical attention upon symptom onset is essential to prevent chronic disease progression and potential vision loss.