Medarchitect Ophthalmic Eye Occluder with 14 Holes, Blue | High-impact plastic, reusable non-solvent cleaning and handheld design for ophthalmic and optometric exams
$6.26 $6.59
5% off
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Medarchitect Ophthalmic Eye Occluder with 14 Holes, Blue | High-impact plastic, reusable non-solvent cleaning and handheld design for ophthalmic and optometric exams

GHS 148 delivered to Accra est.

Estimate for one unit, air shipping. Final total is confirmed at checkout.

Product arrives warehouse Sep 11 - Sep 15. Products ship from our warehouse every Friday. Delivered to you by Sep 29, 2026.

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About this item

➤ What is the hole occluder?A hole occluder is an opaque disk with one or more small holes through it, used by ophthalmologists, orthoptists and optometrists to test visual acuity. The occluder is a simple way to focus light, as in a hole camera, temporarily removing the effects of refractive errors such as myopia. Because light passes only through the center of the eye's lens, defects in the shape of the lens (errors of refraction) have no effect while the occluder is used. ➤ What does the hole occluder do?The ophthalmologist, orthoptist or optometrist can estimate the maximum improvement in a patient's vision that can be attained by lenses to correct errors of refraction. This can be used to distinguish visual defects caused by refractive error, which improve when the occluder is used, from other problems, which do not. The hole occluder can also be used in testing visual acuity in mydriatic patients. In this case the hole occluder compensates for the inability to contract the iris assisting the eye in obtaining a retinal projection similar to that of a non-cycloplegic eye. ➤ How to use?Squinting and looking through a tiny hole made with a finger works similarly to a hole occluder, by blocking light through the outer parts of the eye's lens. An improvised pinhole has a similar but better effect. The same principle has also been applied as an alternative to corrective lenses: a screen of holes is mounted on an eyeglass frame and worn as hole glasses. ➤ Differential diagnosis :pinhole worsen vision: Macular diseases, central lens opacitiesVision static with hole: Amblyopia

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$6.26 $6.59

Medarchitect Ophthalmic Eye Occluder with 14 Holes, Blue | High-impact plastic, reusable non-solvent cleaning and handheld design for ophthalmic and optometric exams · x1

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