A basic vision therapy tool no vision therapy practice should be without. Improved Marsden Balls now have a better weight which offers a better swing.
The Marsden Balls are 3.25″ with printed black letters and numbers on a 10 foot cord.
No products in the cart.
A basic vision therapy tool no vision therapy practice should be without. Improved Marsden Balls now have a better weight which offers a better swing.
A basic vision therapy tool no vision therapy practice should be without. Improved Marsden Balls now have a better weight which offers a better swing.
The Marsden Balls are 3.25″ with printed black letters and numbers on a 10 foot cord.
| Brands | iAdvantec |
|---|
The Prism Bar Holder Kit combines a prism bar holder with two horizontal prism bars. The handle holds two horizontal prism bars side by side to get a quick estimation of a prism prescription.
The prism bar set includes the holder along with 2 horizontal prism bars. The prism bar holder can be purchased by itself.

These Yoked Prism Frames come with an elastic string and lens sizes: 38 mm for pediatrics . This frame also come with a soft adjustable nose piece. Large thumbscrews are on each side so that each prism can be secured.

Stereoacuity depth preception test designed to rapidly test for amblyopia and strabismus in early and non-readers and non-verbal children and adults.
WhatsApp us

