Lourse Exam
How is your vision different at night?
At night, your vision changes in various ways compared to daytime due to differences in lighting conditions. Here are some key points to consider:
1. **Diminished Sharpness**: The sharpness of images in front of you actually decreases at night. This happens because the low light levels make it harder for your eyes to focus with the same clarity as they do during the day.
2. **Increased Sensitivity to Light Changes**: Your eyes struggle to adjust from light to dark and vice versa at night. This adjustment period is known as dark adaptation. It takes time for your eyes to transition between different light levels, which can affect your vision temporarily.
3. **Limited Peripheral Vision**: While your central vision may remain relatively clear, visibility to the left and right sides decreases at night. Peripheral vision is usually better in well-lit conditions than in low-light environments.
4. **Color Perception**: Colors can appear differently at night. While it's not necessarily that specific colors like browns and blues stand out more, the overall perception of colors can be altered due to the reduced amount of light available.
These factors contribute to the differences in how your vision functions at night compared to during the day. It's essential to understand these changes to navigate safely and effectively in low-light situations.
