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<p style="text-align:justify" class="MsoNoSpacing"><b style="mso-bidi-font-weight:
normal"><span style="font-size:14.0pt">Ceratocone</span></b></p>
<p style="text-align:justify" class="MsoNoSpacing">&nbsp;</p>
<p style="text-align:justify" class="MsoNoSpacing"><b style="mso-bidi-font-weight:
normal"><i style="mso-bidi-font-style:normal">Ceratocone &eacute; uma doen&ccedil;a ocular que compromete a c&oacute;rnea, causando afinamento e mudan&ccedil;a em sua forma. Sua manifesta&ccedil;&atilde;o &eacute; mais comum entre 13 e 18 anos de idade. Provoca o emba&ccedil;amento da vis&atilde;o, que pode ser minimizado com tratamento adequado. </i></b></p>
<p style="text-align:justify" class="MsoNoSpacing">&nbsp;</p>
<p style="text-align:justify" class="MsoNoSpacing"><b style="mso-bidi-font-weight:
normal">Sintomas</b></p>
<p style="text-align:justify" class="MsoNoSpacing">Alguns dos sinais apresentados pelo portador do Ceratocone s&atilde;o a necessidade de mudan&ccedil;as frequentes nos graus dos &oacute;culos ou a diminui&ccedil;&atilde;o na toler&acirc;ncia ao uso de lentes de contato. O diagn&oacute;stico &eacute; realizado atrav&eacute;s de exame oftalmol&oacute;gico. Nas fases iniciais, o paciente tamb&eacute;m poder&aacute; apresentar fotofobia (sensibilidade &agrave; luz), irrita&ccedil;&otilde;es e emba&ccedil;amento da vis&atilde;o.</p>
<p style="text-align:justify" class="MsoNoSpacing">&nbsp;</p>
<p style="text-align:justify" class="MsoNoSpacing"><b style="mso-bidi-font-weight:
normal">Evolu&ccedil;&atilde;o da doen&ccedil;a</b></p>
<p style="text-align:justify" class="MsoNoSpacing">Geralmente, o Ceratocone evolui de 10 a 20 anos, podendo parar em qualquer fase. Com o avan&ccedil;o da doen&ccedil;a, as distor&ccedil;&otilde;es da c&oacute;rnea v&atilde;o se agravando.</p>
<p style="text-align:justify" class="MsoNoSpacing">&nbsp;</p>
<p style="text-align:justify" class="MsoNoSpacing"><b style="mso-bidi-font-weight:
normal">Topografia de C&oacute;rnea</b></p>
<p style="text-align:justify" class="MsoNoSpacing">&Eacute; um exame indolor que realiza a avalia&ccedil;&atilde;o de toda a c&oacute;rnea do paciente, gerando um mapa dessa estrutura ocular. Trata-se de um exame fundamental para o diagn&oacute;stico, a defini&ccedil;&atilde;o do est&aacute;gio e o acompanhamento do Ceratocone.</p>
<p style="text-align:justify" class="MsoNoSpacing">&nbsp;</p>
<p style="text-align:justify" class="MsoNoSpacing"><b style="mso-bidi-font-weight:
normal">Tratamento</b></p>
<p style="text-align:justify" class="MsoNoSpacing">Nos casos mais brandos, o tratamento &eacute; inicialmente realizado por meio do uso de &oacute;culos ou lentes de contato r&iacute;gidas para melhorar a qualidade da vis&atilde;o. O tratamento cir&uacute;rgico, com transplante de c&oacute;rnea, &eacute; indicado para os casos mais avan&ccedil;ados. &Eacute; muito comum o portador de Ceratocone ter o h&aacute;bito de co&ccedil;ar os olhos, o que deve ser evitado, pois pode agravar a doen&ccedil;a.</p>
<p style="text-align:justify" class="MsoNoSpacing">&nbsp;</p>
<p style="text-align:justify" class="MsoNoSpacing"><b style="mso-bidi-font-weight:
normal">Lentes r&iacute;gidas</b></p>
<p style="text-align:justify" class="MsoNoSpacing">Em boa parte dos pacientes portadores de Ceratocone, a alternativa para alcan&ccedil;ar boa vis&atilde;o &eacute; o uso de lentes de contato r&iacute;gidas. O usu&aacute;rio dever&aacute; receber um acompanhamento rigoroso pelo oftalmologista, visto que o ajuste das lentes pode n&atilde;o ser t&atilde;o f&aacute;cil por conta das mudan&ccedil;as na curvatura da c&oacute;rnea, causadas pela doen&ccedil;a.</p>
<p style="text-align:justify" class="MsoNoSpacing">&nbsp;</p>
<p style="text-align:justify" class="MsoNoSpacing">Os materiais das lentes de contato r&iacute;gidas v&ecirc;m evoluindo gradativamente, buscando proporcionar melhor adapta&ccedil;&atilde;o e conforto aos pacientes. Apesar disto, alguns n&atilde;o possuem boa toler&acirc;ncia &agrave; lente r&iacute;gida, dificultando ou mesmo impossibilitando o uso.</p>
<p style="text-align:justify" class="MsoNoSpacing">&nbsp;</p>
<p style="text-align:justify" class="MsoNoSpacing"><b style="mso-bidi-font-weight:
normal">Anel de Ferrara</b></p>
<p style="text-align:justify" class="MsoNoSpacing">Pacientes intolerantes ao uso de lentes r&iacute;gidas podem se beneficiar de um implante de um anel na c&oacute;rnea, chamado Anel de Ferrara. Esse procedimento regulariza o formato da c&oacute;rnea, melhorando a vis&atilde;o.</p>
<p style="text-align:justify" class="MsoNoSpacing">&nbsp;</p>
<p style="text-align:justify" class="MsoNoSpacing"><b style="mso-bidi-font-weight:
normal">Cross-Linking do Col&aacute;geno</b></p>
<p style="text-align:justify" class="MsoNoSpacing">Para pacientes que apresentam evolu&ccedil;&atilde;o comprovada do Ceratocone, &eacute; poss&iacute;vel realizar o fortalecimento da c&oacute;rnea por meio da aplica&ccedil;&atilde;o da vitamina Riboflavina associada &agrave; radia&ccedil;&atilde;o ultravioleta. Esse &eacute; o procedimento do Cross-Linking do Col&aacute;geno. O tratamento evita a agravamento da doen&ccedil;a, reduzindo a necessidade de realiza&ccedil;&atilde;o de transplante de c&oacute;rnea.</p>