{"id":9256,"date":"2021-01-28T16:33:54","date_gmt":"2021-01-28T15:33:54","guid":{"rendered":"https:\/\/sagitta-safety.com\/?p=9256"},"modified":"2025-10-13T15:12:51","modified_gmt":"2025-10-13T13:12:51","slug":"kladny-ci-zaporny-cylinder-su-moje-ochranne-okuliare-spravne","status":"publish","type":"post","link":"https:\/\/sagitta-safety.com\/sk\/kladny-ci-zaporny-cylinder-su-moje-ochranne-okuliare-spravne\/","title":{"rendered":"Kladn\u00fd, \u010di z\u00e1porn\u00fd cylinder? S\u00fa moje ochrann\u00e9 okuliare spr\u00e1vne ?"},"content":{"rendered":"\n

V minulosti sa v optike cylindrick\u00e1 korekcia nepou\u017e\u00edvala. Za\u010diatkom 70-tych rokov \u0161t\u00fadie a v\u00fdskum pouk\u00e1zali, \u017ee je mo\u017en\u00e9 vylep\u0161i\u0165 zrakov\u00fa vadu \u2013 astigmatizmus pomocou cylindra. Pr\u00ed\u010dinou astigmatizmu<\/strong>, je nerovnomern\u00e9 zakrivenie rohovky. \u010clovek touto zrakovou vadou vid\u00ed veci v ur\u010ditom uhle neostro. Preto pri astigmatizme sa k sf\u00e9rickej (sph) hodnote prid\u00e1va aj hodnota cylindra (cyl) spolu s hodnotou osi (os).
Dioptrick\u00e9 hodnoty astigmatickej korekcie vieme vyjadri\u0165 dvoma <\/strong>sp\u00f4sobmi. A to v kladnej <\/strong>alebo z\u00e1pornej <\/strong>hodnote cylindra. Medzi lek\u00e1rmi je viac zau\u017e\u00edvan\u00e9 z\u00e1porn\u00e9 (m\u00ednusov\u00e9) vyjadrenie. V o\u010dnej optike zasa naopak \u2013 kladn\u00e9 (plusov\u00e9). Obe s\u00fa v\u0161ak spr\u00e1vne aj ke\u010f na prv\u00fd poh\u013ead to tak nevyzer\u00e1.
Pr\u00edklad:
Pri z\u00e1pornom udan\u00ed cylindra je astigmatick\u00e1 hodnota korekcie tak\u00e1to:
sph -1,00 dpt                     cyl -2,00 dpt                      os 30\u00b0<\/strong><\/strong>
V tomto pr\u00edpade m\u00f4\u017eu by\u0165 uveden\u00e9 dioptrick\u00e9 hodnoty vyjadren\u00e9 aj nasledovne:
sph -3,00 dpt                     cyl +2,00 dpt                     os 120\u00b0<\/strong><\/strong>
Tento z\u00e1pis dioptrickej hodnoty n\u00e1\u0161ho oka je teda vyjadren\u00fd aj inak a pri tom sa pre n\u00e1\u0161 zrak ni\u010d nezmen\u00ed.
Prepo\u010det si m\u00f4\u017ee urobi\u0165 ka\u017ed\u00fd s\u00e1m, pod\u013ea nasleduj\u00faceho postupu.<\/p>\n\n\n\n

  1. Matematicky s\u010d\u00edtajte hodnoty dioptrie a cylindra (sph + cyl) a dostanete nov\u00fa hodnotu sph dioptrie.<\/li>
  2. Hodnotu cylindra neprepo\u010d\u00edtavajte, iba zme\u0148te jeho znamienko na opa\u010dn\u00e9.<\/li>
  3. Prepo\u010d\u00edtajte (posu\u0148te) os cylidra, pripo\u010d\u00edtan\u00edm o 90\u00b0.<\/li><\/ol>\n\n\n\n

    Aj ke\u010f sa na prv\u00fd poh\u013ead zd\u00e1, \u017ee sa predp\u00edsan\u00e1 korekcia v\u00fdrazne zmenila, nie je to tak. Netreba ma\u0165 obavy a necha\u0165 sa zmias\u0165. V\u017edy sa jedn\u00e1 o t\u00fa ist\u00fa korekciu, len vyjadren\u00fa v inom \u2013 kladom alebo z\u00e1pornom cylindri.
    Ve\u010f, ktor\u00e9 \u010d\u00edslo top\u00e1nok preferujete? 41 alebo sedmi\u010dky?<\/p>\n","protected":false},"excerpt":{"rendered":"

    V minulosti sa v optike cylindrick\u00e1 korekcia nepou\u017e\u00edvala. Za\u010diatkom 70-tych rokov \u0161t\u00fadie a v\u00fdskum pouk\u00e1zali, \u017ee je mo\u017en\u00e9 vylep\u0161i\u0165 zrakov\u00fa vadu \u2013 astigmatizmus pomocou cylindra. Pr\u00ed\u010dinou astigmatizmu, je nerovnomern\u00e9 zakrivenie rohovky. \u010clovek touto zrakovou vadou vid\u00ed veci v ur\u010ditom uhle neostro. Preto pri astigmatizme sa k sf\u00e9rickej (sph) hodnote prid\u00e1va aj hodnota cylindra (cyl) spolu s hodnotou osi (os).Dioptrick\u00e9 hodnoty […]<\/p>\n","protected":false},"author":13,"featured_media":9406,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[243],"tags":[],"class_list":["post-9256","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ochranne-okuliare"],"yoast_head":"\nKladn\u00fd, \u010di z\u00e1porn\u00fd cylinder? S\u00fa moje ochrann\u00e9 okuliare spr\u00e1vne ? - Sagitta, \u0161pecialista na o\u010dn\u00fa optiku<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sagitta-safety.com\/sk\/kladny-ci-zaporny-cylinder-su-moje-ochranne-okuliare-spravne\/\" \/>\n<meta property=\"og:locale\" content=\"sk_SK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Kladn\u00fd, \u010di z\u00e1porn\u00fd cylinder? S\u00fa moje ochrann\u00e9 okuliare spr\u00e1vne ? - Sagitta, \u0161pecialista na o\u010dn\u00fa optiku\" \/>\n<meta property=\"og:description\" content=\"V minulosti sa v optike cylindrick\u00e1 korekcia nepou\u017e\u00edvala. Za\u010diatkom 70-tych rokov \u0161t\u00fadie a v\u00fdskum pouk\u00e1zali, \u017ee je mo\u017en\u00e9 vylep\u0161i\u0165 zrakov\u00fa vadu \u2013 astigmatizmus pomocou cylindra. Pr\u00ed\u010dinou astigmatizmu, je nerovnomern\u00e9 zakrivenie rohovky. \u010clovek touto zrakovou vadou vid\u00ed veci v ur\u010ditom uhle neostro. Preto pri astigmatizme sa k sf\u00e9rickej (sph) hodnote prid\u00e1va aj hodnota cylindra (cyl) spolu s hodnotou osi (os).Dioptrick\u00e9 hodnoty […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/sagitta-safety.com\/sk\/kladny-ci-zaporny-cylinder-su-moje-ochranne-okuliare-spravne\/\" \/>\n<meta property=\"og:site_name\" content=\"Sagitta, \u0161pecialista na o\u010dn\u00fa optiku\" \/>\n<meta property=\"article:published_time\" content=\"2021-01-28T15:33:54+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-13T13:12:51+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/sagitta-safety.com\/wp-content\/uploads\/2021\/06\/Astigmatizmus-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2000\" \/>\n\t<meta property=\"og:image:height\" content=\"1600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"\u0160kopov\u00e1 Marcela\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Autor\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u0160kopov\u00e1 Marcela\" \/>\n\t<meta name=\"twitter:label2\" content=\"Predpokladan\u00fd \u010das \u010d\u00edtania\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 min\u00faty\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/sagitta-safety.com\/kladny-ci-zaporny-cylinder-su-moje-ochranne-okuliare-spravne\/\",\"url\":\"https:\/\/sagitta-safety.com\/kladny-ci-zaporny-cylinder-su-moje-ochranne-okuliare-spravne\/\",\"name\":\"Kladn\u00fd, \u010di z\u00e1porn\u00fd cylinder? 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