What Is the Depth of the 90% Isodose Line of a 9-MeV

question 18

Multiple Choice

What is the depth of the 90% isodose line of a 9-MeV electron beam?

• A) 2.25 cm
• B) 3 cm
• C) 4.5 cm
• D) 9 cm

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Definitions:

Phacoemulsification

A modern cataract surgery technique that uses ultrasound waves to emulsify and remove the lens of the eye.

Tonography

A diagnostic test used in ophthalmology to measure the eye's outflow facility, helping in the diagnosis and management of glaucoma.

Anterior Chamber

the fluid-filled space inside the eye between the iris and the cornea's innermost surface.

Gonioscope

An optical instrument used to examine the angle of the anterior chamber of the eye.