The Perkins Tonometer is a precision medical device used to measure the intraocular pressure in the eye. Made by the reputable brand Perkins, this ophthalmic tonometer is designed to provide accurate readings for eye exams. It comes with essential accessories to ensure optimal performance and efficient use in a healthcare setting. This product is a valuable tool for professionals in the field of ophthalmology, enabling them to monitor and manage patients' eye health effectively.