GreyHounders is a low-cost optics store that offers a range of services, including online graduated glasses sales, in-store shopping, and delivery. The store is known for its affordable prices, with frames and graduated lenses starting at €29.The store has received overwhelmingly positive reviews from customers, with many praising the friendly and attentive staff, particularly María, who is mentioned frequently in the reviews. Customers have appreciated the store's willingness to work with them to find the right solution, including adjusting orders and providing excellent customer service.However, one customer noted that the store's prices have increased significantly over the past few years, making it less competitive with other low-cost options. This is a notable issue that may impact customers who are looking for the best value.In terms of quality, the store's products have received high praise from customers, who appreciate the range of options available, including polarized sunglasses and blue block models. The store's use of virtual testers and in-home tests is also a convenient feature for customers.The store's innovativeness is evident in its online sales platform, which allows customers to try on glasses virtually and order online. This feature has been well-received by customers, who appreciate the convenience and flexibility it offers.Overall, GreyHounders is a well-regarded optics store that offers a range of services and products at affordable prices. While some customers have noted issues with price increases, the store's commitment to customer service and quality products has earned it a loyal following.