Slotnick Swirl® XL / YouTube Playlist- for small screen viewing

Playlist with 3 slides, enlarged viewing area for small screen use: Slotnick Swirl^® XL for Equal Stimulation, plus two slides with letters. Run time, 10 minutes each. Loop for longer duration, adjust for HD. YouTube version offered for patient distribution. Slotnick Swirl^® XL is intended to provide visual biofeedback. Letter slides offer a progressive increase in accommodative demand when viewed on a tablet or phone. Ideal for use with tablets, phones, and Mac based systems. Slotnick Swirl^® is intended for vision therapy use with color filters, under the direction of an optometrist.