A Scan
A-scan ultrasound biometry, commonly referred to as an A-scan (short for Amplitude scan), is a routine type of diagnostic test used in optometry or ophthalmology. The A-scan provides data on the length of the eye, which is a major determinant in common sight disorders.
What is a scan?
A-scan biometry, also referred to as A-scan, utilizes an ultrasound device for diagnostic testing. This device can determine the length of the eye and can be useful in diagnosing common sight disorders.
What machine is used to check your eyes?
An ophthalmoscope is an instrument used for examining the interior structures of the eye, especially the retina.