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2. How to Use the Amsler Grid to Test Your Vision - Healthline

   www.healthline.com/health/using-the-amsler-grid

   Here’s how to use the Amsler grid as part of monitoring your wet AMD: 1. Print out the Amsler grid. The Amsler grid looks best on pure white matte paper. You can get your own copy to print off ...

3. Amsler Grid Test for Retinal Conditions, When to See a Doctor

   www.healthline.com/.../eye-health/amsler-grid-test

   Marc Amsler, a professor of ophthalmology in the Eye Clinic at the University of Zurich, developed the grid in the 1950s. Amsler grid. Take the test by looking at the grid and following these ...

4. How to Read Your Audiogram - Healthline

   www.healthline.com/health/audiogram

   How to read your results. You may be able to glance at your audiogram to determine whether you have hearing loss: A steady line connecting your threshold levels at the top of the chart indicates ...

5. 1951 USAF resolution test chart - Wikipedia

   en.wikipedia.org/.../1951_USAF_resolution_test_chart

   A 1951 USAF resolution test chart is a microscopic optical resolution test device originally defined by the U.S. Air Force MIL-STD-150A standard of 1951. The design provides numerous small target shapes exhibiting a stepped assortment of precise spatial frequency specimens. It is widely used in optical engineering laboratory work to analyze and ...

6. The Best Method to Clean Your Computer Screen - WebMD

   www.webmd.com/.../cleaning-your-computer-screen

   The best way to clean a computer screen: First, turn your computer off. A black screen makes it easier to spot smudges and other stains. Ensure that the computer is powered down to reduce the risk ...

7. How to Check Astigmatism at Home - WebMD

   www.webmd.com/eye-health/astigmatism-at-home

   Look at the picture with your right eye. Look for any differences in the lines. Now do the same thing with your other eye. If any of the lines look darker or thicker than the others, then you ...

8. Dungeon Master's Guide - Wikipedia

   en.wikipedia.org/wiki/Dungeon_Master's_Guide

   The Dungeon Master's Guide (DMG or DM's Guide; in some printings, the Dungeon Masters Guide or Dungeon Master Guide) is a book of rules for the fantasy role-playing game Dungeons & Dragons. The Dungeon Master's Guide contains rules concerning the arbitration and administration of a game, and is intended for use by the game's Dungeon Master .

9. Drug Interaction Checker - Find Interactions Between ... - WebMD

   www.webmd.com/interaction-checker

   The main types are: Drug-drug interaction. This is when a medication reacts with one or more other drugs. For example, taking a cough medicine ( antitussive) and a drug to help you sleep (sedative ...