What are the symptoms of conjunctivitis?
Jun 29, 2022
Source: Cainiu Health
Dr. Chen You
Introduction
The symptoms of “red eye disease” primarily involve an acute, highly contagious bacterial conjunctivitis. The onset is rapid: initially, patients exhibit marked conjunctival edema, conjunctival hyperemia, and noticeable eyelid swelling—often accompanied by mild swelling and pain. As the disease progresses, pronounced signs of redness, swelling, heat, and pain develop; the eyes become markedly red and produce abundant mucoid discharge, though the cornea is typically unaffected.
Conjunctivitis—commonly known as “pink eye”—is a frequently encountered condition in daily life, and its occurrence can be highly detrimental.
What Are the Symptoms of Conjunctivitis?
The primary manifestation in patients with conjunctivitis is an acute, highly contagious bacterial conjunctivitis. The disease has a rapid onset: initially, patients exhibit marked conjunctival edema, conjunctival hyperemia (redness), and noticeable swelling of the eyelids, often accompanied by mild edema and pain. As the condition progresses, pronounced symptoms of redness, swelling, heat, and pain emerge—eyes appear intensely red and produce abundant mucoid discharge; however, the cornea is typically unaffected. In cases involving highly virulent bacterial strains, complications may include conjunctival pseudomembranes, regional lymphadenopathy, entropion (inward turning of the eyelid), trichiasis (misdirected eyelashes), or even ophthalmoplegia (eye muscle paralysis). Notably, in patients with alcohol dependence, periorbital edema tends to be especially prominent.
Conjunctivitis is also referred to as acute or subacute bacterial conjunctivitis. Common clinical features include conjunctival hyperemia and edema, relatively infrequent corneal involvement, increased mucopurulent discharge, photophobia, epiphora (excessive tearing), blurred vision, ocular pain, and occasionally upper respiratory tract symptoms. This condition represents an acute inflammatory response triggered by localized bacterial infection of the eye and is highly contagious. Common causative pathogens include *Staphylococcus aureus* and *Streptococcus pneumoniae*. The incubation period is approximately 1–3 days, and outbreaks occur most frequently during spring and autumn. Affected individuals should be isolated to prevent transmission. Personal items—including towels and other hygiene products—must be used exclusively by the patient.
Patients are advised to prioritize rest, avoid prolonged smartphone use, and minimize exposure to electronic devices. We hope this information proves helpful.
