Logical Reasoning

PT108 · S3 · Q17 Radial keratotomy (RK), a surgery

A free, expert breakdown of this official LSAT Logical Reasoning question.

  • Save & drill this skill build targeted practice sets from questions like this one

  • Video walkthroughs watch every question solved step by step

  • 81 official LSATs as questions, timed sections & full-length tests

Radial keratotomy (RK), a surgery that is designed to reshape the cornea so that light focuses correctly on the retina, is supposed to make eyeglasses or contact lenses that correct for nearsightedness unnecessary.

Your task

Break the argument into its conclusion and evidence, then do exactly what the question stem asks with that structure.

Common trap

Answers that sound relevant to the topic but don't connect to the argument's actual reasoning.

Winning move

Predict what a right answer must do, then test each choice against the conclusion-evidence gap.

17.

Each of the following, if true, would help to resolve the apparent discrepancy in the information above EXCEPT:

  1. As the eye heals from

    Trap

    4% picked this

  2. The more severe a patient's

    Trap

    5% picked this

  3. Occasionally an RK patient's eyes

    Trap

    2% picked this

  4. RK patients who originally suffered

    Trap

    1% picked this

  5. Correct

    Those who choose to undergo

    Why this is right

    Answer E is correct.

    Skill tested: Paradox · how this choice captures the argument's function is the move to repeat next time.

    88% picked this

Continue the review in LSAT Lab

Save this question, watch the video walkthrough, and drill similar questions in your LSAT Lab account.

LSAT Lab

Turn this review into a targeted study plan.

Save this question, drill more like it, watch the video walkthrough, and track your progress in your LSAT Lab account.

Start practicing free