Halos around lights
Overview
Halos around lights are visual disturbances where bright rings or circles appear around light sources, making them look surrounded by a glowing halo effect. This symptom can occur when looking at streetlights, car headlights, or other bright lights, often indicating potential eye conditions or vision problems.
Common Causes
This visual effect commonly occurs due to dry eyes, which can happen from prolonged screen time, air conditioning, or certain medications. Changes in vision prescription, especially astigmatism, can also create this light distortion. Eye fatigue from extended reading or computer work frequently contributes to this phenomenon. Additionally, contact lens wear, particularly when lenses are dirty or worn for too long, can cause light to scatter and create these visual disturbances.
Severity Levels
Mild: You occasionally notice faint rings around bright lights, especially at night, but they don't interfere with daily activities or driving safety.
Moderate: Halos appear more frequently and are more noticeable, potentially causing some difficulty with night driving or activities in bright lighting conditions.
Severe: Prominent halos around most light sources significantly impact your vision and daily activities, making night driving unsafe and causing considerable visual discomfort in various lighting situations.
Medical Attention
Seek immediate medical attention if halos around lights appear suddenly, are accompanied by severe eye pain, headache, nausea, or vision loss, as these may indicate serious conditions like acute glaucoma. Schedule a routine eye exam if halos develop gradually or persist, especially if you're over 40 or have a family history of eye disease. Contact your eye care provider if halos interfere with daily activities like driving at night or if you notice other vision changes.
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