{"id":40586,"date":"2023-12-10T02:09:45","date_gmt":"2023-12-10T02:09:45","guid":{"rendered":"https:\/\/masterskills.org\/blog\/5-dau-hieu-cho-thay-ban-bi-moi-mat-do-dung-may-tinh-qua-lau-va-cach-khac-phuc.html"},"modified":"2023-12-13T06:20:56","modified_gmt":"2023-12-13T06:20:56","slug":"5-dau-hieu-cho-thay-ban-bi-moi-mat-do-dung-may-tinh-qua-lau-va-cach-khac-phuc","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/5-dau-hieu-cho-thay-ban-bi-moi-mat-do-dung-may-tinh-qua-lau-va-cach-khac-phuc.html","title":{"rendered":"5 d\u1ea5u hi\u1ec7u cho th\u1ea5y b\u1ea1n b\u1ecb m\u1ecfi m\u1eaft do d\u00f9ng m\u00e1y t\u00ednh qu\u00e1 l\u00e2u v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c"},"content":{"rendered":"
\n

N\u1ebfu b\u1ea1n th\u01b0\u1eddng xuy\u00ean ph\u1ea3i d\u00e0nh nhi\u1ec1u th\u1eddi gian tr\u01b0\u1edbc m\u00e1y t\u00ednh m\u1ed7i ng\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 s\u1ebd th\u1ea5y m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng nh\u01b0 sau. Th\u00f4ng th\u01b0\u1eddng b\u1ea1n s\u1ebd c\u1ea3m th\u1ea5y t\u00ednh th\u1ea7n v\u00e0 th\u1ec3 ch\u1ea5t kh\u00e1 t\u1ed1t v\u00e0o bu\u1ed5i s\u00e1ng (sau khi \u0111\u00e3 tho\u00e1t kh\u1ecfi tr\u1ea1ng th\u00e1i bu\u1ed3n ng\u1ee7 v\u00e0 ho\u00e0n to\u00e0n t\u1ec9nh t\u00e1o), nh\u01b0ng v\u00e0o cu\u1ed1i ng\u00e0y, nhi\u1ec1u ng\u01b0\u1eddi c\u00f3 xu h\u01b0\u1edbng b\u1ecb nh\u1eefng c\u01a1n nh\u1ee9c \u0111\u1ea7u h\u00e0nh h\u1ea1, ngo\u00e0i ra h\u1ecd c\u0169ng s\u1ebd th\u1ea5y m\u1ecfi m\u1eaft, suy gi\u1ea3m th\u1ecb l\u1ef1c v\u00e0 c\u01a1 th\u1ec3 m\u1ec7t m\u1ecfi.<\/span><\/p>\n

Theo c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u, l\u00fd do ch\u00ednh g\u00e2y ra nh\u1eefng hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y c\u00f3 th\u1ec3 l\u00e0 \u1edf c\u00e1ch b\u1ed1 tr\u00ed khu v\u1ef1c l\u00e0m vi\u1ec7c ch\u01b0a \u0111\u00fang ti\u00eau chu\u1ea9n (v\u1ecb tr\u1ecb tr\u00ed c\u1ee7a b\u00e0n, gh\u1ebf, m\u1ee9c \u0111\u1ed9 \u00e1nh s\u00e1ng…) d\u1eabn \u0111\u1ebfn t\u01b0 th\u1ebf l\u00e0m vi\u1ec7c b\u1ecb sai l\u1ec7ch v\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 th\u1ec3 ch\u1ea5t kh\u00e1c. Trong \u0111\u00f3, c\u00f3 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng m\u00e0 tr\u00ean 90% nh\u1eefng ng\u01b0\u1eddi s\u1eed d\u1ee5ng m\u00e1y t\u00ednh nhi\u1ec1u gi\u1edd m\u1ed7i ng\u00e0y \u0111\u1ec1u g\u1eb7p ph\u1ea3i, \u0111\u00f3 ch\u00ednh l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng c\u0103ng th\u1eb3ng th\u1ecb l\u1ef1c do s\u1eed d\u1ee5ng m\u00e1y t\u00ednh (computer eye strain).<\/span><\/p>\n

\"C\u0103ng<\/span><\/p>\n

C\u0103ng th\u1eb3ng th\u1ecb l\u1ef1c do s\u1eed d\u1ee5ng m\u00e1y t\u00ednh l\u00e0 g\u00ec<\/strong><\/h2>\n

C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 ch\u1ec9 ra r\u1eb1ng khi b\u1ea1n th\u1ef1c s\u1ef1 t\u1eadp trung t\u1ea7m nh\u00ecn v\u00e0o m\u1ed9t th\u1ee9 g\u00ec \u0111\u00f3, c\u00e1c c\u01a1 b\u00ean trong v\u00e0 xung quanh m\u1eaft b\u1ea1n s\u1ebd ph\u1ea3i k\u1ebft h\u1ee3p ch\u1eb7t ch\u1ebd c\u00f9ng v\u1edbi nhau \u0111\u1ec3 l\u00e0m vi\u1ec7c, qua \u0111\u00f3 g\u00e2y thay \u0111\u1ed5i m\u1ed9t ch\u00fat h\u00ecnh d\u1ea1ng c\u1ee7a v\u00f5ng m\u1ea1c, \u0111i\u1ec1u n\u00e0y c\u0169ng s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u00fac x\u1ea1 c\u1ee7a \u201cth\u1ea5u k\u00ednh\u201d m\u1eaft. \u0110\u1ec3 t\u1eadp trung nh\u00ecn v\u00e0o m\u1ed9t c\u00e1i g\u00ec \u0111\u00f3 \u1edf xa, \u201cth\u1ea5u k\u00ednh\u201d n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c \u0111\u1ecbnh h\u00ecnh theo m\u1ed9t c\u00e1ch c\u1ee5 th\u1ec3. Ng\u01b0\u1ee3c l\u1ea1i, \u0111\u1ec3 t\u1eadp trung nh\u00ecn v\u00e0o th\u1ee9 g\u00ec \u0111\u00f3 \u1edf g\u1ea7n, \u201cth\u1ea5u k\u00ednh\u201d n\u00e0y s\u1ebd l\u1ea1i \u0111\u01b0\u1ee3c \u0111\u1ecbnh h\u00ecnh theo m\u1ed9t c\u00e1ch kh\u00e1c.<\/span><\/p>\n

C\u0103ng th\u1eb3ng th\u1ecb l\u1ef1c do s\u1eed d\u1ee5ng m\u00e1y t\u00ednh, hay c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi ng\u1eafn g\u1ecdn l\u00e0 h\u1ed9i ch\u1ee9ng th\u1ecb gi\u00e1c m\u00e1y t\u00ednh, x\u1ea3y ra khi m\u1eaft c\u1ee7a b\u1ea1n t\u1eadp trung v\u00e0o m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng \u1edf t\u1ea7m g\u1ea7n (v\u00ed d\u1ee5: m\u00e0n h\u00ecnh m\u00e1y t\u00ednh ho\u1eb7c thi\u1ebft b\u1ecb di \u0111\u1ed9ng) trong m\u1ed9t th\u1eddi gian d\u00e0i khi\u1ebfn c\u01a1 m\u1eaft b\u1ecb gi\u00e3n c\u0103ng qu\u00e1 \u0111\u1ed9. Trong su\u1ed1t c\u1ea3 ng\u00e0y l\u00e0m vi\u1ec7c, c\u01a1 m\u1eaft c\u1ee7a b\u1ea1n c\u1ee9 ph\u1ea3i c\u0103ng ra nh\u01b0 v\u1eady, t\u1ea5t nhi\u00ean s\u1ebd ph\u1ea3i d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng nh\u1ee9c m\u1ecfi v\u00e0 m\u1ea5t kh\u1ea3 n\u0103ng t\u1eadp trung t\u1ed1i \u01b0u nh\u1ea5t. Ng\u00e0y qua ng\u00e0y, khi t\u00ecnh tr\u1ea1ng x\u1ea5u \u0111i, c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng c\u0103ng c\u01a1 qu\u00e1 \u0111\u1ed9, khi\u1ebfn m\u1eaft c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng nh\u1ea5p nh\u00e1y, kh\u00f3 ch\u1ecbu v\u00e0 m\u1ed9t s\u1ed1 tri\u1ec7u ch\u1ee9ng kh\u00e1c.<\/span><\/p>\n

\"C\u0103ng<\/span><\/p>\n

5 tri\u1ec7u ch\u1ee9ng ch\u00ednh c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng c\u0103ng th\u1eb3ng th\u1ecb l\u1ef1c do s\u1eed d\u1ee5ng m\u00e1y t\u00ednh<\/strong><\/h2>\n

N\u1ebfu b\u1ea1n kh\u00f4ng ch\u1eafc ch\u1eafn li\u1ec7u m\u00ecnh c\u00f3 m\u1eafc ph\u1ea3i h\u1ed9i ch\u1ee9ng th\u1ecb gi\u00e1c m\u00e1y t\u00ednh hay kh\u00f4ng, h\u00e3y suy ngh\u0129 l\u1ea1i xem li\u1ec7u b\u1ea1n c\u00f3 t\u1eebng g\u1eb7p ph\u1ea3i b\u1ea5t k\u1ef3 v\u1ea5n \u0111\u1ec1 n\u00e0o sau nh\u1eefng ng\u00e0y m\u00e0 m\u00ecnh \u0111\u00e3 s\u1eed d\u1ee5ng m\u00e1y t\u00ednh trong kho\u1ea3ng th\u1eddi gian h\u01a1n ba ti\u1ebfng tr\u1edf l\u00ean hay kh\u00f4ng, v\u00e0 h\u00e3y xem x\u00e9t \u0111\u1ebfn c\u00e1c tri\u1ec7u ch\u1ee9ng sau \u0111\u00e2y:<\/span><\/p>\n

M\u1ecfi m\u1eaft:<\/strong> Trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p \u1edf d\u1ea1ng nh\u1eb9, m\u1ecfi m\u1eaft c\u00f3 th\u1ec3 g\u00e2y kh\u00f3 kh\u0103n khi b\u1ea1n mu\u1ed1n t\u1eadp trung nh\u00ecn v\u00e0o c\u00e1c v\u1eadt th\u1ec3, \u0111\u1eb7c bi\u1ec7t l\u00e0 b\u1ea1n kh\u00f3 c\u00f3 th\u1ec3 t\u1eadp trung m\u1eaft khi chuy\u1ec3n t\u1ea7m nh\u00ecn t\u1eeb kho\u1ea3ng c\u00e1ch n\u00e0y sang kho\u1ea3ng c\u00e1ch kh\u00e1c. Theo th\u1eddi gian, khi m\u1ecdi th\u1ee9 tr\u1edf n\u00ean t\u1ed3i t\u1ec7 h\u01a1n, m\u1ecfi m\u1eaft c\u00f3 th\u1ec3 chuy\u1ec3n th\u00e0nh \u0111au ho\u1eb7c kh\u00f3 ch\u1ecbu \u1edf khu v\u1ef1c xung quanh m\u1eaft.<\/span><\/p>\n

\"C\u0103ng<\/span><\/p>\n

\u00a0<\/div>\n

\u0110au r\u00e1t m\u1eaft:<\/strong> T\u1ec7 h\u01a1n nh\u1ee9c m\u1ecfi l\u00e0 khi m\u1eaft b\u1ea1n b\u1eaft \u0111\u1ea7u chuy\u1ec3n sang c\u1ea3m th\u1ea5y kh\u00f3 ch\u1ecbu, v\u00e0 khi t\u00ecnh tr\u1ea1ng x\u1ea5u th\u00eam \u0111i, hi\u1ec7n t\u01b0\u1ee3ng kh\u00f4 r\u00e1t s\u1ebd xu\u1ea5t hi\u1ec7n. Th\u1eadm ch\u00ed m\u1eaft c\u00f2n c\u00f3 th\u1ec3 b\u1ecb \u0111\u1ecf. T\u1ea5t c\u1ea3 nh\u1eefng d\u1ea5u hi\u1ec7u n\u00e0y cho th\u1ea5y r\u1eb1ng m\u1eaft b\u1ea1n \u0111ang b\u1ecb kh\u00f4 do s\u1eed d\u1ee5ng m\u00e1y t\u00ednh qu\u00e1 l\u00e2u.<\/span><\/p>\n

\"C\u0103ng<\/span><\/p>\n

M\u1edd m\u1eaft, t\u1ea7m nh\u00ecn b\u1ecb suy gi\u1ea3m:<\/strong> C\u00e1c h\u00ecnh \u1ea3nh v\u1ec1 nh\u1eefng c\u1ea3nh v\u1eadt, th\u00f4ng tin b\u1ea1n nh\u00ecn th\u1ea5y c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng m\u1edd m\u1edd d\u1ea7n \u0111i ngay c\u1ea3 khi b\u1ea1n \u0111\u00e3 c\u1ed1 t\u1eadp trung nh\u00ecn \u0111\u00fang c\u00e1ch. Ho\u1eb7c b\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y h\u00ecnh \u1ea3nh b\u1ecb l\u00f3a ho\u1eb7c b\u1ecb b\u00f3ng m\u1edd. N\u1ebfu th\u1ee7 ph\u1ea1m l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng c\u0103ng th\u1eb3ng th\u1ecb l\u1ef1c do s\u1eed d\u1ee5ng m\u00e1y t\u00ednh, v\u1ea5n \u0111\u1ec1 n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft sau khi b\u1ea1n ngh\u1ec9 ng\u01a1i.<\/span><\/p>\n

\"C\u0103ng<\/span>Nh\u1ee9c \u0111\u1ea7u ho\u1eb7c ch\u00f3ng m\u1eb7t:<\/strong> C\u1ea3 hai hi\u1ec7n t\u01b0\u1ee3ng \u0111au \u0111\u1ea7u v\u00e0 ch\u00f3ng m\u1eb7t \u0111\u1ec1u l\u00e0 nh\u1eefng d\u1ea5u hi\u1ec7u cho th\u1ea5y s\u1ef1 c\u0103ng th\u1eb3ng c\u1ee7a m\u1eaft do s\u1eed d\u1ee5ng m\u00e1y t\u00ednh \u0111\u00e3 chuy\u1ec3n bi\u1ebfn th\u00e0nh nh\u1eefng v\u1ea5n \u0111\u1ec1 nghi\u00eam tr\u1ecdng h\u01a1n m\u1ed9t ch\u00fat, g\u00e2y \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn th\u1ecb l\u1ef1c v\u00e0 n\u00e3o b\u1ed9 c\u1ee7a b\u1ea1n. T\u1ed1t nh\u1ea5t b\u1ea1n n\u00ean \u0111i kh\u00e1m b\u00e1c s\u0129 n\u1ebfu th\u01b0\u1eddng xuy\u00ean b\u1ecb nh\u1ee9c \u0111\u1ea7u ho\u1eb7c ch\u00f3ng m\u1eb7t sau m\u1ed9t ng\u00e0y l\u00e0m vi\u1ec7c.<\/span><\/p>\n

\"C\u0103ng<\/span><\/p>\n

\u00a0<\/div>\n

\u0110au nh\u1ee9c c\u1ed5 v\u00e0 vai:<\/strong> Khi v\u1ea5n \u0111\u1ec1 v\u1ec1 th\u1ecb l\u1ef1c c\u1ee7a b\u1ea1n tr\u1edf n\u00ean tr\u1ea7m tr\u1ecdng h\u01a1n v\u00e0 s\u1ef1 kh\u00f3 ch\u1ecbu t\u0103ng l\u00ean, n\u1ebfu b\u1ea1n v\u1eabn \u00e9p m\u00ecnh ph\u1ea3i l\u00e0m vi\u1ec7c, c\u01a1 th\u1ec3 b\u1ea1n s\u1ebd t\u1ef1 \u0111\u1ed9ng \u0111i\u1ec1u ch\u1ec9nh t\u01b0 th\u1ebf \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 nh\u00ecn r\u00f5 h\u01a1n. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn nh\u1eefng sai l\u1ec7ch v\u1ec1 t\u01b0 th\u1ebf, g\u00e2y \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn c\u00e1c khu v\u1ef1c nh\u01b0 c\u1ed5, vai v\u00e0 c\u1ea3 l\u01b0ng c\u1ee7a b\u1ea1n<\/span><\/p>\n

\"C\u0103ng<\/span><\/p>\n

Ph\u00f2ng b\u1ec7nh h\u01a1n ch\u1eefa b\u1ec7nh, c\u00e2u n\u00f3i n\u00e0y lu\u00f4n \u0111\u00fang trong m\u1ecdi tr\u01b0\u1eddng h\u1ee3p. V\u00ec th\u1ebf, ngay khi l\u1edd m\u1edd nh\u1eadn ra m\u00ecnh c\u00f3 g\u1eb7p ph\u1ea3i nh\u1eefng tri\u1ec7u ch\u1ee9ng n\u00e0y, b\u1ea1n h\u00e3y l\u00ean k\u1ebf ho\u1ea1ch kh\u1eafc ph\u1ee5c ngay ch\u1ee9 \u0111\u1eebng th\u1ea5y c\u01a1 th\u1ec3 v\u1eabn ch\u1ecbu \u0111\u1ef1ng \u0111\u01b0\u1ee3c m\u00e0 g\u1ea1t ch\u00fang qua m\u1ed9t b\u00ean, \u0111\u1ec3 r\u1ed3i t\u00ecnh h\u00ecnh c\u00e0ng tr\u1edf n\u00ean t\u1ed3i t\u1ec7 h\u01a1n. Khi \u0111\u00f3, vi\u1ec7c ch\u1eefa tr\u1ecb s\u1ebd h\u1ebft s\u1ee9c ph\u1ee9c t\u1ea1p, t\u1ed1n k\u00e9m, hay th\u1eadm ch\u00ed c\u00f2n kh\u00f4ng th\u1ec3 ch\u1eefa kh\u1ecfi \u0111\u01b0\u1ee3c!<\/span><\/p>\n

N\u00f3i chung th\u00ec \u0111a s\u1ed1 c\u00e1c tri\u1ec7u ch\u1ee9ng c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng c\u0103ng th\u1eb3ng th\u1ecb l\u1ef1c do s\u1eed d\u1ee5ng m\u00e1y t\u00ednh \u0111\u1ec1u s\u1ebd bi\u1ebfn m\u1ea5t sau khi b\u1ea1n ng\u1eebng s\u1eed d\u1ee5ng m\u00e1y t\u00ednh v\u00e0 ngh\u1ec9 ng\u01a1i trong v\u00f2ng v\u00e0i ti\u1ebfng. \u1ede th\u1ec3 nh\u1eb9, \u0111\u00f4i m\u1eaft c\u1ee7a b\u1ea1n s\u1ebd tr\u1edf l\u1ea1i b\u00ecnh th\u01b0\u1eddng trong v\u00f2ng v\u00e0i gi\u1edd ho\u1eb7c v\u00e0o s\u00e1ng h\u00f4m sau. Qu\u00e3ng th\u1eddi gian c\u1ea7n thi\u1ebft cho s\u1ef1 ph\u1ee5c h\u1ed3i n\u00e0y c\u0169ng s\u1ebd t\u0103ng l\u00ean theo kho\u1ea3ng th\u1eddi gian m\u00e0 b\u1ea1n l\u00e0m vi\u1ec7c v\u1edbi m\u00e1y t\u00ednh. C\u00f3 ngh\u0129a v\u1edbi nh\u1eefng ng\u01b0\u1eddi l\u00e0m vi\u1ec7c v\u1edbi m\u00e1y t\u00ednh l\u00e2u n\u0103m, c\u01a1 th\u1ec3 s\u1ebd m\u1ea5t nhi\u1ec1u th\u1eddi th\u1eddi gian h\u1ed3i ph\u1ee5c h\u01a1n.<\/span><\/p>\n

C\u00e1ch kh\u1eafc ph\u1ee5c hi\u1ec7n t\u01b0\u1ee3ng c\u0103ng th\u1eb3ng th\u1ecb l\u1ef1c do s\u1eed d\u1ee5ng m\u00e1y t\u00ednh<\/strong><\/h2>\n

\u0110\u1ed1i v\u1edbi c\u00e1c bi\u1ec7n ph\u00e1p t\u1ea1m th\u1eddi, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng thu\u1ed1c nh\u1ecf m\u1eaft b\u00f4i tr\u01a1n. M\u00e1y t\u00ednh g\u00e2y kh\u00f4 m\u1eaft v\u00ec khi b\u1ea1n \u0111ang ph\u1ea3i t\u1eadp trung x\u1eed l\u00fd t\u1ea5t c\u1ea3 th\u00f4ng tin tr\u00ean m\u00e0n h\u00ecnh, t\u1ea7n su\u1ea5t ch\u1edbp m\u1eb7t c\u0169ng s\u1ebd \u0111\u1ed3ng th\u1eddi b\u1ecb gi\u1ea3m \u0111i. \u00cdt ch\u1edbp m\u1eaft c\u0169ng c\u00f3 ngh\u0129a l\u00e0 m\u1eaft s\u1ebd \u00edt \u0111\u01b0\u1ee3c l\u00e0m \u1ea9m h\u01a1n. Thu\u1ed1c nh\u1ecf m\u1eaft c\u00f3 th\u1ec3 ngay l\u1eadp t\u1ee9c cung c\u1ea5p l\u1ea1i \u0111\u1ed9 \u1ea9m c\u1ea7n thi\u1ebft cho m\u1eaft, c\u0169ng nh\u01b0 l\u00e0m d\u1ecbu b\u1edbt nh\u1eefng t\u00ecnh tr\u1ea1ng kh\u00f3 ch\u1ecbu nh\u01b0 r\u00e1t, ng\u1ee9a m\u1eaft (kh\u00f4ng s\u1eed d\u1ee5ng thu\u1ed1c nh\u1ecf m\u1eaft chuy\u00ean d\u1ee5ng \u0111\u1ec3 ch\u1eefa c\u00e1c b\u1ec7nh v\u1ec1 m\u1eaft ho\u1eb7c d\u1ecb \u1ee9ng trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y).<\/span><\/p>\n

\"C\u0103ng<\/span><\/p>\n

Theo d\u00f5i m\u1ee9c \u0111\u1ed9 \u1ea9m c\u1ee7a trong khu v\u1ef1c l\u00e0m vi\u1ec7c c\u0169ng r\u1ea5t quan tr\u1ecdng. M\u00f4i tr\u01b0\u1eddng qu\u00e1 kh\u00f4 c\u0169ng s\u1ebd khi\u1ebfn \u0111\u1ed9 \u1ea9m c\u1ee7a m\u1eaft gi\u1ea3m nhanh h\u01a1n. \u0110\u1ed9 \u1ea9m l\u00fd t\u01b0\u1edfng cho m\u1ed9t kh\u00f4ng l\u00e0m vi\u1ec7c v\u1edbi m\u00e1y t\u00ednh l\u00e0 t\u1eeb 30 \u0111\u1ebfn 50 ph\u1ea7n tr\u0103m.<\/span><\/p>\n

\"C\u0103ng<\/span><\/p>\n

\u00a0<\/div>\n

H\u01a1n n\u1eefa, \u0111\u1ec3 tr\u00e1nh nh\u1eefng t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c v\u1edbi m\u1eaft khi ph\u1ea3i l\u00e0m vi\u1ec7c th\u01b0\u1eddng xuy\u00ean c\u00f9ng m\u00e1y t\u00ednh, c\u00f3 m\u1ed9t quy t\u1eafc r\u1ea5t hay m\u00e0 b\u1ea1n n\u00ean tham kh\u1ea3o, \u0111\u00f3 l\u00e0 quy t\u1eafc 20-20-20: C\u1ee9 20 ph\u00fat m\u1ed9t l\u1ea7n, h\u00e3y nh\u00ecn v\u00e0o v\u1eadt g\u00ec \u0111\u00f3 c\u00e1ch xa 20 feet (kho\u1ea3ng 6m) trong \u00edt nh\u1ea5t 20 gi\u00e2y.<\/span><\/p>\n

\"C\u0103ng<\/span><\/p>\n

\u00c1p d\u1ee5ng quy t\u1eafc \u0111\u01a1n gi\u1ea3n n\u00e0y s\u1ebd gi\u00fap \u0111\u00f4i m\u1eaft c\u1ee7a b\u1ea1n c\u00f3 nh\u1eefng s\u1ef1 thay \u0111\u1ed5i c\u1ea7n thi\u1ebft, qua \u0111\u00f3 c\u00f3 th\u1ec3 h\u1ea1n ch\u1ebf, ho\u1eb7c th\u1eadm ch\u00ed ng\u0103n ch\u1eb7n c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng m\u1ecfi m\u1eaft v\u00e0 c\u0103ng th\u1eb3ng. \u0110\u1ec3 \u00e1p d\u1ee5ng quy t\u1eafc n\u00e0y m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c ph\u1ea7n m\u1ec1m nh\u1eafc nh\u1edf c\u00f4ng vi\u1ec7c tr\u00ean ch\u00ednh Windows ho\u1eb7c tr\u00ean \u0111i\u1ec7n tho\u1ea1i.<\/span><\/p>\n

Ngo\u00e0i ra, c\u00f3 m\u1ed9t \u0111i\u1ec1u kh\u00e1c c\u0169ng quan tr\u1ecdng kh\u00f4ng k\u00e9m, \u0111\u00f3 l\u00e0 h\u00e3y \u0111\u1eb7t m\u00e0n h\u00ecnh m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n \u1edf v\u1ecb tr\u00ed ph\u00f9 h\u1ee3p nh\u1ea5t. M\u00e0n h\u00ecnh ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1eb7t c\u00e1ch m\u1eaft m\u1ed9t kho\u1ea3ng \u00edt nh\u1ea5t b\u1eb1ng chi\u1ec1u d\u00e0i c\u00e1nh tay b\u1ea1n (t\u1ee9c l\u00e0 kho\u1ea3ng t\u1eeb 45 \u0111\u1ebfn 60cm). Khi nh\u00ecn th\u1eb3ng v\u1ec1 ph\u00eda tr\u01b0\u1edbc, m\u1eaft c\u1ee7a b\u1ea1n ph\u1ea3i vu\u00f4ng g\u00f3c v\u1edbi ph\u1ea7n tr\u00ean c\u1ee7a m\u00e0n h\u00ecnh. N\u00f3i chung, m\u1eaft c\u1ee7a b\u1ea1n lu\u00f4n ph\u1ea3i nh\u00ecn theo h\u01b0\u1edbng h\u01a1i ch\u1ebfch xu\u1ed1ng thay v\u00ec h\u01b0\u1edbng l\u00ean tr\u00ean.<\/span><\/p>\n

\u0110\u1ed9 s\u00e1ng m\u00e0n h\u00ecnh c\u0169ng l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 \u0111\u00e1ng ch\u00fa \u00fd. Nhi\u1ec1u ng\u01b0\u1eddi cho r\u1eb1ng s\u00e1ng h\u01a1n s\u1ebd t\u1ed1t h\u01a1n nh\u01b0ng \u0111i\u1ec1u n\u00e0y kh\u00f4ng ho\u00e0n to\u00e0n ch\u00ednh x\u00e1c. Tuy nhi\u00ean m\u00e0n h\u00ecnh c\u00f3 \u0111\u1ed9 s\u00e1ng v\u1eeba ph\u1ea3i s\u1ebd khi\u1ebfn cho \u0111\u1ed3ng t\u1eed c\u1ee7a b\u1ea1n co l\u1ea1i, l\u00e0m t\u0103ng ph\u1ea1m vi ti\u00eau c\u1ef1 v\u00e0 cho ph\u00e9p b\u1ea1n t\u1eadp trung v\u00e0o m\u00e0n h\u00ecnh d\u1ec5 d\u00e0ng h\u01a1n. \u00c1nh s\u00e1ng kh\u00f4ng \u0111\u1ee7 l\u00e0 m\u1ed9t nguy\u00ean nh\u00e2n ch\u00ednh d\u1eabn t\u1edbi m\u1ecfi m\u1eaft. Ti\u1ebfp x\u00fac v\u1edbi qu\u00e1 nhi\u1ec1u \u00e1nh s\u00e1ng s\u1ebd g\u00e2y k\u00edch \u1ee9ng m\u1eaft. Qu\u00e1 \u00edt \u00e1nh s\u00e1ng l\u00e0m cho m\u1eaft ph\u1ea3i c\u0103ng \u0111\u1ec3 nh\u00ecn. \u0110\u1ec3 \u0110i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng m\u00e0n h\u00ecnh v\u00e0 m\u1ee9c \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n ph\u00f9 h\u1ee3p cho m\u1eaft, b\u1ea1n v\u00e0o ph\u1ea7n c\u00e0i \u0111\u1eb7t m\u00e0n h\u00ecnh, sau \u0111\u00f3 gi\u1ea3m \u0111\u1ed9 s\u00e1ng v\u00e0 m\u1ee9c t\u01b0\u01a1ng ph\u1ea3n cho \u0111\u1ebfn khi b\u1ea1n t\u00ecm ra \u0111\u1ed9 c\u00e2n b\u1eb1ng khi\u1ebfn m\u1eaft m\u00ecnh c\u1ea3m th\u1ea5y d\u1ec5 ch\u1ecbu nh\u1ea5t.<\/span><\/p>\n

\"C\u0103ng<\/span><\/p>\n

C\u00e2n nh\u1eafc mua m\u1ed9t c\u1eb7p k\u00ednh chuy\u00ean \u0111\u1ec3 \u0111eo khi s\u1eed d\u1ee5ng m\u00e1y t\u00ednh. Chi\u1ebfc k\u00ednh n\u00e0y gi\u1ed1ng nh\u01b0 k\u00ednh \u0111\u1ecdc s\u00e1ch \u1edf ch\u1ed7 b\u1ea1n ch\u1ec9 c\u1ea7n \u0111eo n\u00f3 khi s\u1eed d\u1ee5ng m\u00e1y t\u00ednh. K\u00ednh b\u1ea3o v\u1ec7 m\u1eaft khi s\u1eed d\u1ee5ng m\u00e1y t\u00ednh, \u0111i\u1ec7n tho\u1ea1i s\u1ebd ng\u0103n ch\u1eb7n nh\u1eefng tia s\u00e1ng c\u00f3 h\u1ea1i t\u1eeb m\u00e0n h\u00ecnh chi\u1ebfu th\u1eb3ng v\u00e0o m\u1eaft. Lo\u1ea1i \u00e1nh s\u00e1ng xanh ph\u00e1t ra t\u1eeb m\u00e1y t\u00ednh \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 khoa h\u1ecdc ch\u1ee9ng minh l\u00e0 lo\u1ea1i \u00e1nh s\u00e1ng \u0111\u00f3 s\u1ebd g\u00e2y tho\u00e1i h\u00f3a \u0111i\u1ec3m v\u00e0ng \u1edf m\u1eaft theo \u0111\u1ed9 tu\u1ed5i, do \u0111\u00f3, lo\u1ea1i k\u00ednh n\u00e0y s\u1ebd gi\u00fap b\u1ea3o v\u1ec7 m\u1eaft c\u1ee7a b\u1ea1n tri\u1ec7t \u0111\u1ec3 h\u01a1n. Nh\u01b0ng \u0111\u1ec3 c\u00f3 k\u1ebft qu\u1ea3 t\u1ed1t nh\u1ea5t, b\u1ea1n n\u00ean tham kh\u1ea3o \u00fd ki\u1ebfn c\u1ee7a c\u00e1c chuy\u00ean gia ch\u0103m s\u00f3c m\u1eaft v\u00e0 nh\u1eadn \u0111\u01a1n thu\u1ed1c th\u00edch h\u1ee3p.<\/span><\/p>\n

\"C\u0103ng<\/span><\/p>\n

Nh\u1eefng sai l\u1ea7m trong s\u1eed d\u1ee5ng m\u00e1y t\u00ednh c\u00f3 th\u1ec3 g\u00e2y h\u1ea1i \u0111\u1ebfn nhi\u1ec1u b\u1ed9 ph\u1eadn c\u01a1 th\u1ec3<\/strong><\/h2>\n

C\u0103ng m\u1eaft kh\u00f4ng ph\u1ea3i l\u00e0 v\u1ea5n \u0111\u1ec1 duy nh\u1ea5t c\u00f3 th\u1ec3 x\u1ea3y ra khi b\u1ea1n s\u1eed d\u1ee5ng m\u00e1y t\u00ednh qu\u00e1 l\u00e2u. T\u1ed5n th\u01b0\u01a1ng s\u1ebd c\u00f3 th\u1ec3 x\u1ea3y ra do t\u00e1c h\u1ea1i c\u1ee7a c\u00e1c ho\u1ea1t \u0111\u1ed9ng l\u1eb7p \u0111i l\u1eb7p l\u1ea1i \u1edf c\u1ed5 tay, c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 c\u1ed9t s\u1ed1ng do ng\u1ed3i sai t\u01b0 th\u1ebf v\u00e0 tr\u1ea7m c\u1ea3m c\u0169ng nh\u01b0 suy gi\u1ea3m s\u1ee9c kh\u1ecfe n\u00f3i chung do l\u1ed1i s\u1ed1ng \u00edt v\u1eadn \u0111\u1ed9ng l\u00e0 nh\u1eefng tr\u01b0\u1eddng h\u1ee3p th\u01b0\u1eddng g\u1eb7p nh\u1ea5t.<\/span><\/p>\n

\"C\u0103ng<\/span><\/p>\n

\u00a0<\/div>\n

\u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao b\u1ea1n th\u01b0\u1eddng xuy\u00ean nh\u1eadn \u0111\u01b0\u1ee3c l\u1eddi nh\u1eefng khuy\u00ean n\u00ean b\u1ed1 tr\u00ed khu v\u1ef1c l\u00e0m vi\u1ec7c sao cho khoa h\u1ecdc, \u0111\u1ea7u t\u01b0 nh\u1eefng chi\u1ebfc gh\u1ebf v\u0103n ph\u00f2ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ph\u00f9 h\u1ee3p v\u00e0 s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i b\u00e0n l\u00e0m vi\u1ec7c c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh linh ho\u1ea1t\u2026 \u0110\u1eebng ch\u1ec9 ch\u0103m s\u00f3c \u0111\u00f4i m\u1eaft, hay quan t\u00e2m \u0111\u1ebfn to\u00e0n b\u1ed9 s\u1ee9c kh\u1ecfe c\u1ee7a m\u00ecnh! <\/span><\/p>\n

Ch\u00fac c\u00e1c b\u1ea1n c\u00f3 m\u1ed9t s\u1ee9c kh\u1ecfe t\u1ed1t!<\/span><\/p>\n

:<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

N\u1ebfu b\u1ea1n th\u01b0\u1eddng xuy\u00ean ph\u1ea3i d\u00e0nh nhi\u1ec1u th\u1eddi gian tr\u01b0\u1edbc m\u00e1y t\u00ednh m\u1ed7i ng\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 s\u1ebd th\u1ea5y m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng nh\u01b0 sau. Th\u00f4ng th\u01b0\u1eddng b\u1ea1n s\u1ebd c\u1ea3m th\u1ea5y t\u00ednh th\u1ea7n v\u00e0 th\u1ec3 ch\u1ea5t kh\u00e1 t\u1ed1t v\u00e0o bu\u1ed5i s\u00e1ng (sau khi \u0111\u00e3 tho\u00e1t kh\u1ecfi tr\u1ea1ng th\u00e1i bu\u1ed3n ng\u1ee7 v\u00e0 ho\u00e0n to\u00e0n t\u1ec9nh t\u00e1o), nh\u01b0ng v\u00e0o cu\u1ed1i ng\u00e0y, nhi\u1ec1u ng\u01b0\u1eddi c\u00f3 xu h\u01b0\u1edbng b\u1ecb nh\u1eefng c\u01a1n nh\u1ee9c \u0111\u1ea7u h\u00e0nh h\u1ea1, ngo\u00e0i ra h\u1ecd c\u0169ng s\u1ebd th\u1ea5y m\u1ecfi m\u1eaft, suy gi\u1ea3m th\u1ecb l\u1ef1c v\u00e0 c\u01a1 th\u1ec3 m\u1ec7t m\u1ecfi.<\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[452],"tags":[],"_links":{"self":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/40586"}],"collection":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/comments?post=40586"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/40586\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=40586"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=40586"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=40586"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}