Direct visualization of heterophorias through a unidirectional occluder.
A new occluder to perform the cover test allows visualization of the covered eye through the occluder and direct observation of heterophorias. The occluder is composed of an aluminium-polyester filter mounted on a support in front of a 2.2-V light bulb.
Vila-Coro
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Department of Ophthalmology, Hospital Clinico de San Carlos, Madrid.
Vila-Coro
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AA
D006801:Humans; D009885:Ophthalmology / Q000295:instrumentation*; D013285:Strabismus / Q000175:diagnosis*