Poor night vision
Overview
Poor night vision is a condition where individuals have difficulty seeing clearly in low-light environments or darkness. This visual impairment can make it challenging to navigate safely at night, drive after sunset, or see in dimly lit spaces.
Common Causes
Poor night vision can result from natural aging processes that reduce the eye's ability to adjust to darkness and see in low-light conditions. Vitamin A deficiency may also contribute to difficulty seeing at night, as this nutrient is essential for proper retinal function. Certain lifestyle factors like prolonged screen time, smoking, and excessive alcohol consumption can further impair your eyes' ability to adapt to dim lighting conditions.
Severity Levels
Mild: You may notice slight difficulty adjusting to darkness or need a few extra moments for your eyes to adapt when moving from bright to dim lighting. Night driving might feel less comfortable than during the day.
Moderate: You experience noticeable trouble seeing in low-light conditions, making activities like walking in dimly lit areas or driving at dusk more challenging. You may need to rely on additional lighting sources or avoid certain nighttime activities.
Severe: You have significant difficulty or inability to see clearly in dark or low-light environments, making nighttime navigation unsafe without assistance. This condition substantially impacts your daily activities and may require you to avoid driving after dark or moving around in poorly lit spaces.
Medical Attention
You should see an eye doctor if you're having trouble driving safely at night, frequently bumping into objects in dim lighting, or if this problem developed suddenly. Seek immediate medical attention if poor night vision is accompanied by eye pain, flashing lights, or sudden vision loss. If you have diabetes or other health conditions that can affect your eyes, schedule regular eye exams even if symptoms seem mild.
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