A-Scan Biometry

A-Scan Biometry

A-scan ultrasound biometry is a routine diagnostic test, which provides data on the length of the eye (a major factor in many sight disorders).

In ophthalmology, the A-scan is most commonly used to determine eye length for intraocular lens power calculation.

When a cataract is removed, the lens is replaced by an artificial lens implant and by measuring the length of the eye as well as the power of the cornea (keratometry) your specialist can calculate the required power of the intraocular lens.

Another common use of the A-scan is determining the size and ultrasound characteristics of masses in the eye, from which the type of mass can be deduced.

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