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Optometry Confirmation Flipper 1.50 – Dual Flip Lens Tool for Vision Testing, Refraction Accuracy, Binocular Assessment, Eye Exams & Near Add Verification – Optical Tool for Clinics
₹500.00
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Product description
| Topic | Discription |
| Purpose | Purpose: The “frosted eye patch” modality is used for occlusion or penalisation of one eye (usually the dominant/good eye) so the weaker eye (in conditions like Amblyopia or strabismus) must work harder. Frosted patches (or frosted lens overlays) provide a blurred or semi-occluded input rather than full blackout, thereby encouraging the weaker eye while still allowing some binocular input or compliance. For example, one article mentions “What is the endpoint for full-time occlusion? … Some type of arm restraint … The use of frosted glasses is part of methods known as optical penalisation.” |
| Target users | Children (commonly) with amblyopia, strabismus, suppression; patients prescribed occlusion/penalisation therapy under supervision of an orthoptist/ophthalmologist. Also sometimes adults under specific therapy regimes, though less commonly. |
| Optotypes / Symbols | The patch itself does not present optotypes or symbols. It is a tool to block or degrade visual input to the “good” eye, so that the weaker eye is engaged. The actual optotypes/symbols (letters, shapes, pictures) are presented via charts or reading material paired with the patch. In your check list: make sure the therapy materials you pair it with have appropriate optotypes/symbols for the patient’s age and visual level. |
| Scaling / Spacing | As with standard occlusion patches, the patch itself doesn’t define scaling or spacing (that’s for the chart/material you use). “Frosted” patches or lenses may blur or degrade the image for the dominant eye, but the spacing/size of items you present should be sized appropriately for the weaker eye’s acuity and therapy goals. So you’ll want to ensure the reading or vision-training materials have known spacing and size, and that the patch doesn’t inadvertently allow the dominant eye to peek/cheat. |
| Range of Acuity / Line Sizes | The patch/frosted device does not itself specify the line sizes or acuity levels. Instead, therapy aims to improve the weaker eye’s acuity (for example from 20/80 to 20/40) and the patch helps by penalising the good eye. One important note: For amblyopia therapy, compliance is key, and the patch is just one part. A leaflet states the patch must be of adhesive type, ensure correct size, etc. If using a frosted patch (or frosted lens overlay), you should ask: How much blur is introduced (what dioptre equivalent?) and is it matched to the therapy goal? |
| Testing Distance | The patch is worn during near-work or distance work depending on therapy instructions. For reading or visual tasks it may be near (40 cm) or supervised. The patch/frosted lens device itself doesn’t fix the distance; you’ll follow therapist/orthoptist instructions for what tasks and distance to use while patched. Because frosted patches may degrade rather than completely block, distance tasks may be tricky — check what the intended use is (near reading vs distance chart). |
| Physical Size & Dimensions | Standard occlusion patches have dimensions like Junior: ~62 mm × 46 mm (2.44 in × 1.81 in) for one model (Nexcare/3M) for example. For a “frosted eye patch” device (especially if it’s a reusable strap or lens overlay), you’ll want to check size: coverage of the eye socket, how it fits over glasses (if the patient wears them), how large the patch surface is, whether it overlaps the lens entirely or partially. The product listing for “Frosted Eye Patch … Set of 6 | Adjustable Elastic Strap | Lightweight & Reusable” indicates a strap size rather than adhesive patch size. You’ll need to check the strap length, patch surface size, and adjustment range. |
| Mounting | Mounting: Typically adhesive to skin (for children or infants) or clip/strap over glasses (for older children/adults). For a frosted patch or frosted lens overlay, it may be mounted over the glasses lens via strap or adhesive film. |
| Display features | The patch doesn’t display anything. But if it’s a frosted overlay, ensure the frost effect is uniform, no clear “peek” zones, and comfortable to wear. If the device is reusable (strap style) check how it mounts: elastic band, Velcro, buckle; how well it fits different head sizes; how secure it is during movement; whether it can be used over glasses. |
| Accessories | For standard patches: Box of multiple units (e.g., 20 patches) may be included. For example: the Opticlude Junior size comes in pack of 20. For frosted patch sets: The listing may include multiple sizes (e.g., small/medium/large), an adjustable strap, perhaps a storage pouch, cleaning cloth if reusable, instructions. Check whether the set includes replacement pads, cleaning tools, or if you need multiple units for frequent wear. |
| Durability / Material Qualities | Standard patches: Features include breathable backing, hypoallergenic adhesive, non-stick pad for eye secretions, latex-free backing. For example the Opticlude patch: “breathable backing … non-stick pad … hypoallergenic adhesive.” For frosted patches: If reusable strap/lens overlay, you’ll want materials that are: durable, comfortable, washable, strap adjustment holds well, the frosted film does not degrade or peel, edges smooth so no skin irritation. Check whether the material is skin-friendly (especially for children), whether the adhesive/straps cause irritation, whether there is “peeking” around edges (which defeats occlusion). A marker of quality: well-known manufacturer, good adhesion (if adhesive type), secure over glasses (if strap type), documented for orthoptic use. For reusable strap type: ensure strap elasticity holds up, connectors robust, patch surface does not crack or delaminate. |
| Usability / Marker of Quality | Usability: easy to apply (adhesive patch) or easy to mount/adjust (strap overlay) comfortable for the patient (children often resist patching) minimal “peek” possibility (ensuring good eye isn’t used) compatible with glasses (if worn) cleaning/maintenance (for reusable types) instructions clear for parents/therapists Marker of quality: Manufacturer with reputation in orthoptic/vision-therapy devices Hypoallergenic materials, size variants (junior, adult) Evidence or clinician-recommendation for its use Good fit and comfort (so patient is compliant) Packaging: multiple units, clear instructions, trusted adhesives or strap mechanism Reviews or clinical endorsement (if available) For frosted types: uniform frost effect, no distracting variation, secure fit over glasses, adjustable sizes. |
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