Features1Scope of Application: The poker cards can exercise binocular eyesight, suitable for de inhibition training of amblyopia, and can shorten the training period of amblyopia 2Amblyopia Training: The eyesight correction poker card can be used as a good tool for strabismus postoperative rehabilitation training and strabismus amblyopia training 3Use with Confidence: Training once a day, 20?30 minutes each time, at least 5?7 times a week, can effectively improve binocular eyesight 4Relaxing and Interesting: The playing cards have a variety of ways to play with parents, and play with friends, which is very interesting 5Paper Material: The amblyopia training poker card is made of paper material, there are 54 cards in one deck, and the size of a single card is 8.7x5.6cmSpecificationItem Type: Eyesight Correction Poker CardProduct Material: PaperProduct Quantity: 1 Deck, 54 in TotalSheet Size: Approx. 8.7 x 5.6cm / 3.4 x 2.2inPackage List1 x Eyesight Correction Poker Card (1 pair of 54 sheets)