#A253100 The (5") Fixation Stick and #A253000 (2") Grating/Face Stimulus

are used in play to determine the smallest face to which each eye responds. Note the farthest distance at which the child visually responds, size of stimulus and if it had to be paired with motion, sound or touch. Use the faces for observation of fixation, following moving objects, convergence of eyes, and symmetry of visual attention in visual fields. The 2" FACE FIXATION STICK has a plastic circular top; one side has a smiling "Heidi" face and the other side has black & white 3/16" gratings. A small bunny, giraffe and black dot are used for "cover" testing. The FACE/GRATING STIMULUS (5") is a plastic paddle with high contrast "Heidi" face on one side and black & white gratings on the other. The 5" paddle has 1/2" gratings.

#2180 and #2180-P Fixation Sticks

are used alone or together. There are 2 pairs of tongue depressor type sticks with one strip of Symbols or letters printed vertically on both sides of each of the four sticks. They are used for saccade testing, as explained in Dr. Scheiman's book. #2180-P Pediatric Fixation Sticks(PRICE: $15 US). These 3 sticks are the same as #2180 but have colorful child appealing pictures.

#2180-P Fixation Sticks

#A251500 Lea Symbol Domino Cards

to train amblyopic eyes when the child is patched. Present the DOMINO CARDS with decreasing sizes of Symbols on them. The cards can also be used in a fun way to assess vision of children as young as 2 yrs of age. There are 48 domino like cards with a Symbol on one end and a different Symbol on the other end. Consists of 3 packs of cards with Symbol sizes: 3.2M (20/160) .80M (20/40), 2.0M (20/100) & 5M (20/25), 1.25M (20/63) & .32M (20/16) at 16”. Measures 1.6” x 2.75”.

#1011 The "Heidi" Doll

is used to visually entice the child into a play situation, using visual contrast, color, motion and tactile reinforcement. "Heidi" determines the "visual sphere", which is the distance within which the child visually responds. Complete testing within child's visual sphere. "Heidi" is a stuffed, cloth doll designed for simplicity by Dr. Hyvärinen. The body is white with a black border and embroidered face so child can gain visual and tactile stimulation. The "HEIDI" DOLL is used to introduce the child to "Heidi" in a play situation such as peek-a-boo and establish rapport so testing can continue with the other "Heidi" assessment materials.

#A254500 Heidi Expressions

Developed by Lea Hyvärinen, MD to improve early evaluation of vision communication. Some visually impaired children cannot see expressions and do not recognize people's faces. Vision assessments should include testing ability to see differences in facial expressions. Consists of matching pairs of 6 expressions. A 3rd card of each of the 6 expressions has a bow in Heidi's hair. There are 3 sets of 18 cards at 100%, 10% and 2.5% contrst levels.

#1018 Black & White, #1019 Red & White, #1020 Gold & Black Knit Bottle Warmers

April Cornell, Ontario Foundation for VI Chn, Inc., developed the pattern of striped warmers from Dr Hyvärinen's book, "Vision in Children: Normal & Abnormal" #2801 (soon to be republished). The bottle is an effective visual stimulator with high contrast stripes. The sound of milk motivates the baby to try to locate the bottle, so pair auditory with visual stimulation to encourage meaningful vision.

#2003 Black on White, #2004 White on Black

By Tana Hoban. Wonderful, simple high contrast baby books that are used to stimulate vision. Watch the baby's eyes to see if he/she consistently looks at one picture when two are held up. Does the baby prefer detail or plain pictures?