The first thing you must consider when choosing sunglasses for baby is the UV protection. Make sure sunglasses provide 100% UV protection so that they can protect the babies' eyes from being damaged. Besides, sunglasses for babies should be dark enough to transmit minimal visible light like 5%. The lenses and frame of the sunglasses should be durable so that they won't get broken to cause any injury to babies because they always take a lot of activity.
You must be careful to buy sunglasses for baby. To give your baby the best sunglasses to protect eyes, you shall choose sunglasses that substantial coverage around the eyes. Besides, flexible frames and strong lenses are required to allow the baby take many activities. In addition, the tints of the lenses shall not too dark because it will hurt your eyes. Hope this helps.
Parents should be very careful when choosing sunglasses for their children, especially kids before the age of 6 years old. First, you'd better choose children's sunglasses lens made up from resin, PC. Second, make sure the sunglasses can provide 100% UV protection so that they can protect the babies' eyes from being damaged. As for the color, dark grey is the best choice and try to avoid choosing yellow or red lens. Last, the quality of the sunglasses is of great importance. I'd like to suggest you to go to shop-in-shops, for their products can provide quality assurance.