Katalozi Savjeti Lista želja 0
Filtriraj rezultate

31.5" 38" 23.6" 16:9 monitori

140 proizvoda
140 proizvoda
HP 32q 780K0E9 monitor, IPS, 31.5"/32", 16:9, 2560x1440, 165Hz, pivot, HDMI, Display port

HP 32q 780K0E9 monitor, IPS, 31.5"/32", 16:9, 2560x1440, 165Hz, pivot, HDMI, Display port

od 313,50 €
7 ponuda
Stavi u listu želja
Iiyama ProLite TF3239MSC-B1AG monitor, 31.5"/32", 16:9, 1920x1080, HDMI, Display port, VGA (D-Sub), USB

Iiyama ProLite TF3239MSC-B1AG monitor, 31.5"/32", 16:9, 1920x1080, HDMI, Display port, VGA (D-Sub), USB

od 1.166,01 €
4 ponude
Stavi u listu želja
Iiyama ProLite XUB3293UHSN-B5 monitor, IPS, 31.5"/32", 16:9, 3840x2160, 60Hz, pivot, USB-C, HDMI, Display port, USB

Iiyama ProLite XUB3293UHSN-B5 monitor, IPS, 31.5"/32", 16:9, 3840x2160, 60Hz, pivot, USB-C, HDMI, Display port, USB

od 471,34 €
8 ponuda
Stavi u listu želja
Lenovo ThinkVision P32p-30 80 cm (31.5") 3840 x 2160 pikseli 4K Ultra HD LED Crno

Lenovo ThinkVision P32p-30 80 cm (31.5") 3840 x 2160 pikseli 4K Ultra HD LED Crno

od 695,61 €
3 ponude
Stavi u listu želja
Acer Nitro XZ322QUSbmiipphx monitor, VA, 31.5", 16:9, 2560x1440, 165Hz, USB

Acer Nitro XZ322QUSbmiipphx monitor, VA, 31.5", 16:9, 2560x1440, 165Hz, USB

289,54 €
1 ponuda
Stavi u listu želja
PHILIPS 32M1N5800A LCD-Monitor, 80 cm (31,5 Zoll), 144 Hz, IPS-Panel, HDMI/DP 32M1N5800A/00

PHILIPS 32M1N5800A LCD-Monitor, 80 cm (31,5 Zoll), 144 Hz, IPS-Panel, HDMI/DP 32M1N5800A/00

968,05 €
1 ponuda
Stavi u listu želja
MSI Optix G32CQ4 monitor, IPS/VA, 31.5"/32", 16:9, 2560x1440, 165Hz, HDMI, Display port

MSI Optix G32CQ4 monitor, IPS/VA, 31.5"/32", 16:9, 2560x1440, 165Hz, HDMI, Display port

od 311,00 €
6 ponuda
Stavi u listu želja
Asus VP247HAE monitor, VA, 23.6"/23.8", 16:9, 1920x1080, 75Hz, HDMI, DVI, VGA (D-Sub), USB

Asus VP247HAE monitor, VA, 23.6"/23.8", 16:9, 1920x1080, 75Hz, HDMI, DVI, VGA (D-Sub), USB

od 192,00 €
2 ponude
Stavi u listu želja
ASUS ProArt OLED PA32DC 80 cm (31.5") 3840 x 2160 pikseli 4K Ultra HD Crno

ASUS ProArt OLED PA32DC 80 cm (31.5") 3840 x 2160 pikseli 4K Ultra HD Crno

od 3.993,09 €
4 ponude
Stavi u listu želja
Philips 325B1L/00 monitor, IPS, 31.5", 16:9, 2560x1440, 75Hz, pivot, USB-C, HDMI, Display port, USB

Philips 325B1L/00 monitor, IPS, 31.5", 16:9, 2560x1440, 75Hz, pivot, USB-C, HDMI, Display port, USB

od 270,70 €
6 ponuda
Stavi u listu želja
Acer Nitro XV322QKKV monitor, IPS, 31.5", 16:9, 3840x2160, 144Hz, USB-C, HDMI, Display port, USB

Acer Nitro XV322QKKV monitor, IPS, 31.5", 16:9, 3840x2160, 144Hz, USB-C, HDMI, Display port, USB

od 779,99 €
3 ponude
Stavi u listu želja
Acer SA322QAbi monitor, IPS, 31.5", 16:9, 1920x1080, 75Hz, HDMI, VGA (D-Sub)

Acer SA322QAbi monitor, IPS, 31.5", 16:9, 1920x1080, 75Hz, HDMI, VGA (D-Sub)

od 179,00 €
2 ponude
Stavi u listu želja
Lenovo ThinkVision P32p-30 tv monitor, IPS, 31.5", 16:9, 3840x2160, USB-C, HDMI, Display port

Lenovo ThinkVision P32p-30 tv monitor, IPS, 31.5", 16:9, 3840x2160, USB-C, HDMI, Display port

od 656,95 €
4 ponude
Stavi u listu želja
Philips Evnia 5000 32M2C5500W, 80 cm (31,5 Zoll) Curved, 240Hz, FreeSync, VA - 2xDP, 2xHDMI, USB-32M2C5500W/00

Philips Evnia 5000 32M2C5500W, 80 cm (31,5 Zoll) Curved, 240Hz, FreeSync, VA - 2xDP, 2xHDMI, USB-32M2C5500W/00

494,80 €
1 ponuda
Stavi u listu želja
Samsung U32R590C monitor, MVA/VA, 31.5", 16:9, 3840x2160, 60Hz, HDMI, Display port

Samsung U32R590C monitor, MVA/VA, 31.5", 16:9, 3840x2160, 60Hz, HDMI, Display port

od 381,00 €
2 ponude
Stavi u listu želja
Acer Nitro XZ322QUP monitor, VA, 31.5"/32", 16:9, 2560x1440, 165Hz, pivot, HDMI, Display port

Acer Nitro XZ322QUP monitor, VA, 31.5"/32", 16:9, 2560x1440, 165Hz, pivot, HDMI, Display port

od 340,00 €
4 ponude
Stavi u listu želja
Terra 3280W monitor, VA, 31.5", 16:9, 2560x1440, USB-C, HDMI, Display port

Terra 3280W monitor, VA, 31.5", 16:9, 2560x1440, USB-C, HDMI, Display port

526,00 €
1 ponuda
Stavi u listu želja
Benq EW3270 monitor, MVA/VA, 31.5", 16:9, 3840x2160, USB-C, HDMI, Display port, USB

Benq EW3270 monitor, MVA/VA, 31.5", 16:9, 3840x2160, USB-C, HDMI, Display port, USB

od 364,00 €
3 ponude
Stavi u listu želja
Benq EW3270U monitor, MVA/VA, 31.5", 16:9, 3840x2160, 60Hz, USB-C, HDMI, Display port, USB

Benq EW3270U monitor, MVA/VA, 31.5", 16:9, 3840x2160, 60Hz, USB-C, HDMI, Display port, USB

od 361,00 €
6 ponuda
Stavi u listu želja
Benq EW3270UE monitor, VA, 31.5", 16:9, 3840x2160, 60Hz, USB-C, HDMI, Display port, USB

Benq EW3270UE monitor, VA, 31.5", 16:9, 3840x2160, 60Hz, USB-C, HDMI, Display port, USB

od 371,36 €
2 ponude
Stavi u listu želja
Iiyama ProLite XB3270QSU-B1 monitor, IPS, 31.5"/32", 16:9, 2560x1440, 100Hz, pivot, HDMI, Display port, USB

Iiyama ProLite XB3270QSU-B1 monitor, IPS, 31.5"/32", 16:9, 2560x1440, 100Hz, pivot, HDMI, Display port, USB

od 300,20 €
2 ponude
Stavi u listu želja
Monitor Asus 31.5" TUF Gaming VG328QA1A, VA, gaming, Adaptive-Sync, AMD FreeSync Premium 165Hz (170Hz OC), 1ms, 2xHDMI, DP, USB 3.2, Zvučnici, Full HD

Monitor Asus 31.5" TUF Gaming VG328QA1A, VA, gaming, Adaptive-Sync, AMD FreeSync Premium 165Hz (170Hz OC), 1ms, 2xHDMI, DP, USB 3.2, Zvučnici, Full HD

246,57 €
1 ponuda
Stavi u listu želja
LG 24TQ510S-WZ tv monitor, VA, 23.6", 16:9, 1366x768, USB

LG 24TQ510S-WZ tv monitor, VA, 23.6", 16:9, 1366x768, USB

174,65 €
1 ponuda
Stavi u listu želja
Gaming monitor ASUS TUF VG328QA1A (31.5" VA, 170Hz, 1920 x 1080 FHD, gaming, crni)

Gaming monitor ASUS TUF VG328QA1A (31.5" VA, 170Hz, 1920 x 1080 FHD, gaming, crni)

od 257,81 €
7 ponuda
Stavi u listu želja
Gigabyte Aorus FI32U monitor, IPS, 31.5"/32", 16:9, 3840x2160, 144Hz, pivot, USB-C, HDMI, Display port, USB

Gigabyte Aorus FI32U monitor, IPS, 31.5"/32", 16:9, 3840x2160, 144Hz, pivot, USB-C, HDMI, Display port, USB

od 746,00 €
6 ponuda
Stavi u listu želja
HP Omen 32c 80cm (31,5") QHD VA Curved Monitor 16:9 HDMI/DP 165Hz FreeSync

HP Omen 32c 80cm (31,5") QHD VA Curved Monitor 16:9 HDMI/DP 165Hz FreeSync

341,00 €
1 ponuda
Stavi u listu želja
HP M32f monitor, IPS/VA, 31.5", 16:9, 1920x1080, 75Hz, HDMI, VGA (D-Sub)

HP M32f monitor, IPS/VA, 31.5", 16:9, 1920x1080, 75Hz, HDMI, VGA (D-Sub)

od 247,03 €
2 ponude
Stavi u listu želja
HP X24c 9FM22AA monitor, VA, 23.6"/24", 16:9, 1920x1080, 144Hz, HDMI, Display port

HP X24c 9FM22AA monitor, VA, 23.6"/24", 16:9, 1920x1080, 144Hz, HDMI, Display port

od 199,00 €
2 ponude
Stavi u listu želja
Lenovo G32qc monitor, VA, 31.5", 16:9, 2560x1440, 144Hz/165Hz, HDMI, Display port

Lenovo G32qc monitor, VA, 31.5", 16:9, 2560x1440, 144Hz/165Hz, HDMI, Display port

od 279,99 €
8 ponuda
Stavi u listu želja
LG 32MR50C-B

LG 32MR50C-B

od 163,71 €
4 ponude
Stavi u listu želja
Philips 32M1C5200W monitor, VA, 31.5", 16:9, 1920x1080, 240Hz, HDMI, Display port

Philips 32M1C5200W monitor, VA, 31.5", 16:9, 1920x1080, 240Hz, HDMI, Display port

250,07 €
1 ponuda
Stavi u listu želja
U3223QE, 31,5", 3840x2160, IPS, 4K, USB-C, HDMI, DP, HAS,3y

U3223QE, 31,5", 3840x2160, IPS, 4K, USB-C, HDMI, DP, HAS,3y

1.100,00 €
1 ponuda
Stavi u listu želja
ViewSonic VG3209 monitor, IPS, 31.5", 16:9, 3840x2160, HDMI, Display port

ViewSonic VG3209 monitor, IPS, 31.5", 16:9, 3840x2160, HDMI, Display port

od 434,08 €
2 ponude
Stavi u listu želja
HP P32uG5 G5, 64W51AA monitor, IPS, 31.5", 16:9, 2560x1440, 75Hz, USB-C, HDMI, Display port, VGA (D-Sub), USB

HP P32uG5 G5, 64W51AA monitor, IPS, 31.5", 16:9, 2560x1440, 75Hz, USB-C, HDMI, Display port, VGA (D-Sub), USB

od 389,00 €
4 ponude
Stavi u listu želja
HP 732pk Series 7 Pro 31.5i IPS 4K (EU)

HP 732pk Series 7 Pro 31.5i IPS 4K (EU)

938,00 €
1 ponuda
Stavi u listu želja
Monitor PHILIPS 32M1C5500VL/00, 32", VA, QHD 2560x1440px, 165Hz, 1ms, 2xHDMI, DP, zakrivljen

Monitor PHILIPS 32M1C5500VL/00, 32", VA, QHD 2560x1440px, 165Hz, 1ms, 2xHDMI, DP, zakrivljen

od 264,21 €
2 ponude
Stavi u listu želja
Samsung LS32A700NWUXEN monitor, VA, 31.5", 16:9, 3840x2160, 60Hz, pivot, HDMI, Display port, USB

Samsung LS32A700NWUXEN monitor, VA, 31.5", 16:9, 3840x2160, 60Hz, pivot, HDMI, Display port, USB

349,90 €
1 ponuda
Stavi u listu želja
LG 32UL750P-W monitor, VA, 31.5"/50", 16:9, 3840x2160, USB-C, HDMI, Display port

LG 32UL750P-W monitor, VA, 31.5"/50", 16:9, 3840x2160, USB-C, HDMI, Display port

499,33 €
1 ponuda
Stavi u listu želja
ViewSonic TD2430 monitor, MVA/VA, 23.6", 16:9, 1920x1080, HDMI, Display port, VGA (D-Sub), USB, Touchscreen

ViewSonic TD2430 monitor, MVA/VA, 23.6", 16:9, 1920x1080, HDMI, Display port, VGA (D-Sub), USB, Touchscreen

od 373,68 €
2 ponude
Stavi u listu želja
ViewSonic VX2476 monitor, IPS, 23.6", 16:9, 1920x1080, 75Hz, HDMI, DVI, VGA (D-Sub), USB

ViewSonic VX2476 monitor, IPS, 23.6", 16:9, 1920x1080, 75Hz, HDMI, DVI, VGA (D-Sub), USB

od 130,33 €
4 ponude
Stavi u listu želja
ViewSonic TD3207 monitor, VA, 31.5", 16:9, 1920x1080, HDMI, Display port, Touchscreen

ViewSonic TD3207 monitor, VA, 31.5", 16:9, 1920x1080, HDMI, Display port, Touchscreen

1.245,00 €
1 ponuda
Stavi u listu želja
Samsung C24F390FH monitor, VA, 23.6", 16:9, 1920x1080, HDMI, VGA (D-Sub)

Samsung C24F390FH monitor, VA, 23.6", 16:9, 1920x1080, HDMI, VGA (D-Sub)

138,57 €
1 ponuda
Stavi u listu želja
ViewSonic TD2423 monitor, VA, 23.6", 16:9, 1920x1080, HDMI, DVI, VGA (D-Sub), USB, Touchscreen

ViewSonic TD2423 monitor, VA, 23.6", 16:9, 1920x1080, HDMI, DVI, VGA (D-Sub), USB, Touchscreen

od 319,70 €
2 ponude
Stavi u listu želja
Asus ProArt PA24US LED zaslon Energetska učinkovitost 2021 G (A - G) 59.9 cm (23.6 palac) 3840 x 2160 piksel 16:9 5 ms USB-C®, HDMI™, DisplayPort, USB a, SDI, utičnica za slušalice IPS LED

Asus ProArt PA24US LED zaslon Energetska učinkovitost 2021 G (A - G) 59.9 cm (23.6 palac) 3840 x 2160 piksel 16:9 5 ms USB-C®, HDMI™, DisplayPort, USB a, SDI, utičnica za slušalice IPS LED

od 1.896,62 €
3 ponude
Stavi u listu želja
Dell SE3223Q monitor, VA, 31.5"/32", 16:9, 3840x2160, 60Hz, HDMI, Display port

Dell SE3223Q monitor, VA, 31.5"/32", 16:9, 3840x2160, 60Hz, HDMI, Display port

od 323,95 €
2 ponude
Stavi u listu želja
Samsung LF32TU870VRXEN monitor, VA, 31.5"/32", 16:9, 3840x2160, 60Hz, pivot, USB-C, Thunderbolt, HDMI, DVI, Display port, USB

Samsung LF32TU870VRXEN monitor, VA, 31.5"/32", 16:9, 3840x2160, 60Hz, pivot, USB-C, Thunderbolt, HDMI, DVI, Display port, USB

491,54 €
1 ponuda
Stavi u listu želja
AOC U32G3X/BK Gaming Monitor - 4K UHD 144Hz height adjustment

AOC U32G3X/BK Gaming Monitor - 4K UHD 144Hz height adjustment

od 602,35 €
5 ponuda
Stavi u listu želja
Lenovo D32q-20 tv monitor, IPS, 31.5"/32", 16:9, 2560x1440, 75Hz, HDMI, DVI, Display port, USB

Lenovo D32q-20 tv monitor, IPS, 31.5"/32", 16:9, 2560x1440, 75Hz, HDMI, DVI, Display port, USB

od 275,47 €
2 ponude
Stavi u listu želja
Acer SA322QUAbmiipx monitor, IPS, 31.5", 16:9, 2560x1440, 75Hz, HDMI, Display port

Acer SA322QUAbmiipx monitor, IPS, 31.5", 16:9, 2560x1440, 75Hz, HDMI, Display port

od 223,00 €
2 ponude
Stavi u listu želja
HP 32s 2UD96AA monitor, IPS, 31.5", 16:9, 1920x1080, HDMI, VGA (D-Sub)

HP 32s 2UD96AA monitor, IPS, 31.5", 16:9, 1920x1080, HDMI, VGA (D-Sub)

od 209,00 €
2 ponude
Stavi u listu želja
Lenovo D32qc-20 tv monitor, VA, 31.5", 16:9, 2560x1440, 75Hz, HDMI, DVI, Display port, USB

Lenovo D32qc-20 tv monitor, VA, 31.5", 16:9, 2560x1440, 75Hz, HDMI, DVI, Display port, USB

312,73 €
1 ponuda
Stavi u listu želja
AOC Q32V5CE monitor, VA, 31.5", 16:9, 2560x1440, 75Hz, USB-C, HDMI, Display port, USB

AOC Q32V5CE monitor, VA, 31.5", 16:9, 2560x1440, 75Hz, USB-C, HDMI, Display port, USB

333,63 €
1 ponuda
Stavi u listu želja
ASRock Phantom Gaming PG32QF2B, 80 cm (31,5 Zoll), 165 Hz, FreeSync, VA - DP, 2x HDMI 90LXA020-A0E2A0V

ASRock Phantom Gaming PG32QF2B, 80 cm (31,5 Zoll), 165 Hz, FreeSync, VA - DP, 2x HDMI 90LXA020-A0E2A0V

320,15 €
1 ponuda
Stavi u listu želja
P3223QE, 31,5", 3840x2160, IPS, USB-C, DP, HDMI, RJ45, 3y

P3223QE, 31,5", 3840x2160, IPS, USB-C, DP, HDMI, RJ45, 3y

640,00 €
1 ponuda
Stavi u listu želja
Dell UP3221Q monitor, IPS, 31.5", 16:9, 3840x2160, 60Hz, pivot, USB-C, Thunderbolt, HDMI, Display port, USB

Dell UP3221Q monitor, IPS, 31.5", 16:9, 3840x2160, 60Hz, pivot, USB-C, Thunderbolt, HDMI, Display port, USB

4.238,50 €
1 ponuda
Stavi u listu želja
Lenovo ThinkVision T32p-20 monitor, IPS, 31.5", 16:9, 3840x2160, USB-C, HDMI, Display port, USB

Lenovo ThinkVision T32p-20 monitor, IPS, 31.5", 16:9, 3840x2160, USB-C, HDMI, Display port, USB

579,15 €
1 ponuda
Stavi u listu želja
ViewSonic VX3218 monitor, VA, 31.5"/32", 16:9, 1920x1080, 165Hz, HDMI, DVI, Display port, VGA (D-Sub), USB

ViewSonic VX3218 monitor, VA, 31.5"/32", 16:9, 1920x1080, 165Hz, HDMI, DVI, Display port, VGA (D-Sub), USB

od 238,63 €
5 ponuda
Stavi u listu želja
Dahua LM32-E230C monitor, VA, 31.5", 16:9, 1920x1080, 165Hz

Dahua LM32-E230C monitor, VA, 31.5", 16:9, 1920x1080, 165Hz

229,99 €
1 ponuda
Stavi u listu želja
HP 32f monitor, IPS, 31.5", 16:9, 1920x1080, HDMI, VGA (D-Sub)

HP 32f monitor, IPS, 31.5", 16:9, 1920x1080, HDMI, VGA (D-Sub)

od 238,00 €
2 ponude
Stavi u listu želja
HP z32 1AA81A4 tv monitor, IPS, 31.5", 16:9, 3840x2160, 60Hz, pivot, USB-C, HDMI, DVI, Display port, VGA (D-Sub), USB

HP z32 1AA81A4 tv monitor, IPS, 31.5", 16:9, 3840x2160, 60Hz, pivot, USB-C, HDMI, DVI, Display port, VGA (D-Sub), USB

od 978,69 €
2 ponude
Stavi u listu želja
Proizvođač
Iiyama (5) Acer (10) LC Power (1) AOC (9) Lenovo (11) LG (16) ASRock (1) Asus (17) MSI (3) Benq (5) Philips (14) Dahua (1) Dell (13) Samsung (6) Eizo (1) Terra (1) Gigabyte (7) ViewSonic (6) HP (10) Nema podatka (3)
Dijagonala
15.6" - 21.5" (113)
15.6" (32) 17" (2) 18.5" (1)
19" (0)
19.5" (1) 20" (1) 21.45" (4) 21.5" (72)
22" - 24" (426)
22" (9) 22.5" (1) 23" (5) 23.5" (3) 23.6" (13) 23.8" (292) 24" (103)
24.5" - 32" (861)
24.5" (29) 25" (5) 27" (615) 28" (17)
29" (0)
30" (0)
31.5" (127) 32" (68)
34" - 43" (17)
34" (4)
35" (0)
37.5 (1) 38" (0)
40" (0)
42" (1) 43" (11)
48" - 75" (8)
48" (2) 49" (3)
50" (0)
55" (3)
65" (0)
75" (0)
Nema podatka (106)
Rezolucija
2560x1440 (44) 1366x768 (1) 3840x2160 (62) 1920x1080 (31) 7680x4320 (1) Nema podatka (1)
Tip panela
IPS (71)
TN (0)
MVA (2) VA (63)
PLZ (0)
Nema podatka (4)
Format
16:10 (0)
32:9 (1) 16:9 (140)
4:3 (0)
21:9 (4) Nema podatka (21)
Odaziv
1ms - 3ms (45)
1ms (44)
2ms (0)
3ms (1)
4ms - 5ms (79)
4ms (41) 5ms (38)
6ms - 8ms (6)
6ms (1) 7ms (2) 8ms (3)
12ms - 14ms (2)
12ms (0)
14ms (2)
16ms(0)
Nema podatka (8)
Refresh rate
60Hz - 100Hz (68)
60Hz (44) 75Hz (21) 100Hz (3)
120Hz - 144Hz (12)
120Hz (1) 144Hz (11)
165Hz - 165Hz/OC 180Hz (29)
165Hz (29)
165Hz/OC 170Hz (0)
165Hz/OC 180Hz (0)
240Hz - 300Hz (6)
240Hz (6)
300Hz (0)
360Hz(0)
Nema podatka (25)
Kontrast
200:1 - 600:1 (2)
200:1 (1)
300:1 (0)
400:1 (0)
500:1 (1)
600:1 (0)
700:1 - 1100:1 (40)
700:1 (0)
800:1 (0)
1000:1 (40)
1100:1 (0)
1200:1 - 1800:1 (9)
1200:1 (7) 1300:1 (2)
1500:1 (0)
1800:1 (0)
2000:1 - 3500:1 (50)
2000:1 (7) 2500:1 (4) 3000:1 (36) 3500:1 (3)
4000:1 - 5000:1 (4)
4000:1 (4)
4250:1 (0)
5000:1 (0)
Nema podatka (35)
Touchscreen
Touchscreen (3) Nema podatka (137)
Priključak USB-C
USB-C (57) Nema podatka (83)
Priključak Thunderbolt
Thunderbolt (9) Nema podatka (131)
Priključak HDMI
HDMI (133) Nema podatka (7)
Priključak DVI
DVI (30) Nema podatka (110)
Priključak Display port
2x DisplayPort (3) Nema podatka (19) Display port (118)
Priključak VGA (D-Sub)
VGA (D-Sub) (27) Nema podatka (113)
USB
USB (97) Nema podatka (43)
Ostale opcije
Monitor Tv
da (13) ne (127)
Pivot
da (57) ne (83)
Moglo bi te zanimati i
AOC G2868PQU 28-inčni UHD HDR gaming monitor: recenzija i cijena LG 32GK850F-B 144 Hz HDR gaming monitor - cijena i recenzija Vodič za kupovinu monitora 2024. IPS, TN ili VA - koji monitor izabrati 3 AOC monitora za gaming, posao ili svaki dan koji će te oduševiti 5 načina kako zaštiti oči od ekrana