It often gets difficult for human eyes to adjust in a dark surrounding. For an instance, one the most difficult activity for our eyes to perform during the night can be driving. It is so because; the depth of our vision field gets reduced severely in the dark. Moreover, the sharp glare of headlights from the other vehicles can cause severe strain to the eyes. In various other circumstances and professions, the requirement of effective night vision can be preeminent. Therefore, if your night vision has not been really favorable then, you must adopt the use of night vision glasses. What are night vision glasses? Night Vision glasses are devices of the electro-optical genre. They help in amplifying the existing spark of light in your surrounding with the help of image intensifiers. The image intensifiers capture the light and enhance it up to thousands of time to provide a more effective vision in the dark. The night vision glasses are capable of reducing the intensity of glaring headlights to add some contrast in the appearance of objects on roads. Thence, it makes the vision easier to perceive what’s ahead of you. Benefits of night vision glasses - Following are the benefits of night vision glasses: 1. People with night blindness can use this device to see better at night. 2. Its eco-friendly and uses less batteries. 3. It protect the eyes from glares and halos. 4. It is useful for people who drives at night to see the approaching vehicles. 5. It is very light in weight and small in size. 6. It can help people during winters and foggy days. 7. Its small in size and low in cost. 8. It helps in reducing the strain on eyes. 9. Military people can see in dark through this and serve the nation. 10. Through night vision glasses both the distance and depth of the object can be known. Thus, night vision glasses are extremely useful to eradicate the functional difficulties of our vision.