Free Space Produts

OEP Recommended Kit for Binocular Training.

Come as a set of 10 cards. Each comes with a separate workbook that will guide you in their use. Durable non-glare finish

Phoria Cards tests vertical and horizontal muscle balance for near testing distance. Used with Maddox Rod and Penlight.

• Phoria Cards tests vertical and horizontal muscle balance for both near and far testing distance. Used with Maddox Rod and Penlight.

Free space fusion performed in a new, inexpensive way. Black target circles are printed on two 6″ x 7″ clear acetate cards. A unique, accurate method of developing increased fusional range without the need for costly lenses or filters.

Bernell’s BCFSET2 is a set of random dot stereograms, which can be used with virtually any stereoscope. These stereograms have been designed so that one eye sees a picture with a slightly different set of random dots that the picture seen by the other eye. The disparity in the dots causes the pattern to stand out from the random dot background; but only if both eyes are working together.

Features 12 sets of random dot figures for use with the Variable Prismatic Stereoscope/Cheiroscope, Bernell Variable Prismatic Trainer and Bernell-O-Scope (or other stereoscopes). Provides variety and added difficulty to the orthoptic techniques.

The Bernell Functional Binocular Assessment Test booklet, or Bernell FBAT™, is designed as a convenient and portable, anaglyph tool for assessing various aspects of binocularity with many different clinic populations. It can be an effective tool for working with older infants, toddlers, and non-verbal patients who will often grab in the air for the stereoscopic figures appearing in front of the page, demonstrating both stereopsis and localization. Targets present a range of binocular challenges from basic simultaneous perception to more sophisticated stereopsis, Varying target sizes, different fusion locks, and reference targets allow the examiner to probe and categorize binocular aspects of strabismic performance. Design of the test plates was developed in cooperation with Dr. Gregory Kitchener and Dr. Paul Harris based on their clinical experiences working with a broad variety of patient populations.

The test booklets are conveniently printed so that the descriptions, instructions, expected responses, and suggestions face the examiner while the patient is viewing the corresponding test plate. This easy, yet informative, test booklet is a great addition to every practice especially when seeing children, non-verbal patients, or those with strabismus and amblyopia.

The product includes 12 test plates in booklet form with instructions, two pairs of Red/Green Glasses (Adult and Child versions), and two red pointers.

Developed by Dr. Joel H. Warshowsky,OD, this is a unique free space tool to train vergences with a minimum of accommodation effort. The anaglyph targets and filters provide a source of feedback without the stimulating/inhibiting accommodation stimulus that almost all other fusion cards require. therefore, the vergence feedback is easier to understand.

These cards are designed to help with developing fine convergence/divergence control and 3D awareness. This series of 10 charts (5 Opaque and 5 Transparent) starts with the largest pattern of fusional targets and decreases in size with each chart for enhanced difficulty

This free space product trains convergence and divergence while attempting to control accommodation. The image has great depth to it when the patient is manipulating their binocular system. Some letters will appear in front of the multi-step plane of circles while others will appear in the plane or below the planes. This is an advanced training procedure

The random dot images will give a unique 3-D Image when properly fused. The card set consists of 12 images that range from 4 PD to 26 PD in 2 PD increments. Some images should stand out toward the viewer and some will go away when properly fused. Which images stand out and which go away, will depend on whether the subject is crossing their eyes in front of the targets (crossed or base-out fusion) or crossing the eyes behind the target (uncrossed or base-in fusion). The standard viewing distance is 40cm.

Two first degree fusion images are placed at the top of each random dot box. A square is on the left side and a X is on the right. As with most eccentric fusion techniques, the viewer must visually center the X within the square to have proper fusion. This is achieved by crossing or uncrossing the eyes. Once fused, slowly lower your view to the random dot boxes below and the images should appear. If you cannot achieve fusion when doing crossed or base-out therapy, it may be necessary to use an aid (such as a pointer or pencil) placed in front of the random dot images to stimulate the proper crossing of the eyes. For the uncrossed technique, imagine that your eyes are crossing at a point behind the booklet.

The answers (Hidden Images) of each random dot card is located on the backside of the card.

Ramdom Dot Pads

Features random dot free-space fusion targets for various prismatic demand. A sequence of 12 different figures are repeated in increasing prismatic demands of approximately 2, 4 and 5 prism diopters. May be used for both Base-In and Base-Out training. Ideal for in-home training.