First, read the English article below.

The angle at which you look at your screen can affect the amount of strain on your eyes. Start by adjusting your screen position to slightly lower than eye level.  Specifically, the top of the screen/monitor should be aligned with your eyes, when looking straight ahead. Try tilting the screen/monitor at different angles and heights while you're sitting there and it may help reduce eye fatigue. This angle keeps your neck in a more natural position and results in less work for your eyes. Try to position your face as far as you can from the monitor: 20-40 inches or 50-100 cm is about the right distance.  This may seem like it will make your eyes work harder, but eyes are relaxed at this distance. You may a need larger screen or bigger font sizes to read your screen at this distance. Turn down the brightness, turn up the contrast. This will make your screen easier on the eyes.  Screens that are too bright are hard on the eyes. When there's not enough contrast between blacks and whites on your computer screen this is also hard on your eyes. This is because they have a harder time distinguishing between different items. This can add to eye strain. Cleaning your screen removes electrostatic particles that may be emitted from the computer screen. These particles can push dust toward your eyes, causing irritation and strain. Cleaning your screen can also reduce glare. Wipe down your screen daily with an anti-static solution sprayed onto a cloth. You should try to create an environment that has lighting similar to that of your monitor. The ideal workspace will have soft lights, limited natural light, no fluorescent lighting, and surfaces that don't reflect too much light.  It is important to get the right amount of lux or light that passes through a surface.  Lux is the standard unit of illumination. For ordinary office work you should illuminate the room at about 500 lux. The packaging on your light bulbs should help you select the right amount of light regarding lux. Switching your bulbs and adjusting window blinds... 

Now, please write a short abstract for it in Indonesian. Abstract:
Ubah posisi layar komputer. Ubah posisi wajah Anda. Sesuaikan kontras dan kecerahan layar. Bersihkan layar komputer Anda. Sesuaikan pencahayaan ruangan. Kurangi pancaran sinar yang menyilaukan. Gunakan layar yang lebih bagus. Ubah posisi bahan-bahan kerja Anda.