Single Pinhole Occluder

Single Pinhole Occluder is a handheld ophthalmic and optometric instrument used in routine eye examinations, refraction assessment, vision screening, and clinical diagnosis. It consists of an opaque occluding paddle with a single small pinhole aperture at the centre. When placed in front of the patient’s eye, the pinhole reduces blur caused by uncorrected refractive errors by allowing only central light rays to enter the eye. The test is commonly used when a patient has reduced visual acuity. If vision improves through the pinhole, it usually suggests that the reduction in vision may be due to refractive error and may improve with proper spectacle correction. If vision does not improve, the clinician may consider other causes such as media opacity, retinal disease, amblyopia, or other ocular pathology. The occluder is typically made from durable lightweight plastic or ABS material with a smooth opaque surface. It is designed for frequent clinical use and can be easily cleaned or disinfected between patients. Its simple handheld design makes it suitable for ophthalmology clinics, optometry practices, hospitals, school vision screening, and mobile eye camps.