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Which instrument is best suited to evaluate the refractive state of the eye?

  1. Slit lamp

  2. Ophthalmoscope

  3. Phoropter

  4. Retinoscope

The correct answer is: Retinoscope

The best instrument to evaluate the refractive state of the eye is the retinoscope. The retinoscope is specifically designed to measure the refractive error of the eye by assessing how light is reflected off the retina. By using a retinoscope, eye care professionals can determine the type and amount of refractive error present, such as myopia (nearsightedness), hyperopia (farsightedness), or astigmatism. This instrument provides a more accurate and detailed measurement of the eye's refractive state compared to other instruments like the slit lamp, ophthalmoscope, or phoropter, which are more commonly used for other aspects of eye examination.