What is the normal lens thickness measured on ultrasound?

The normal lens thickness measured on ultrasound is typically within the range of 3.5 mm to 5.0 mm. This measurement is important in ophthalmology because it helps in assessing various conditions related to the lens, such as cataracts or other lens opacities which may alter its thickness.

A lens thickness within this range indicates that the lens is of normal anatomical structure and function. Variations outside of this range can signal potential abnormalities or pathologies that may warrant further investigation or intervention. Therefore, knowing that the normal lens thickness falls between 3.5 mm and 5.0 mm aids clinicians in diagnosing and monitoring eye diseases effectively. Understanding lens dimensions is crucial in procedures like cataract surgery, where the lens's size must be accounted for when selecting intraocular lenses.