People all over the globe wear glasses. In some cases, poor vision is caused by electronic devices as people have a tendency to sit close to their computer or television screens. In other cases, it is a hereditary issue. Either way, many people choose to Nachtlinsen as glasses have a tendency to get in the way. They also make it difficult to play sports or participate in rigorous activities. Contact lenses are far more convenient and are often more attractive than wearing glasses. Only an optometrist can prescribe lenses, so you will need to book an appointment in order to get a pair.