Final Answer:
An instrument that provides an examiner with a magnified view of the front structures of the eye is called a slit lamp biomicroscope.
Step-by-step explanation:
The instrument used to examine the front structures of the eye, providing a magnified view, is known as a slit lamp biomicroscope. This specialized device utilizes a combination of a bright light source and a binocular microscope to visualize the anterior segment of the eye.
It helps in diagnosing various eye conditions such as corneal abnormalities, cataracts, and iris disorders by offering a detailed and magnified view of the eye's structures.