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<oembed><version>1.0</version><provider_name>Personal Eyes Optometrist Sydney CBD</provider_name><provider_url>https://personaleyesoptometry.com.au</provider_url><author_name>admin</author_name><author_url>https://personaleyesoptometry.com.au/author/admin/</author_url><title>Refractive Index - Personal Eyes Optometrist Sydney CBD</title><type>rich</type><width>600</width><height>338</height><html>&lt;blockquote class="wp-embedded-content"&gt;&lt;a href="https://personaleyesoptometry.com.au/refractive-index/"&gt;Refractive Index&lt;/a&gt;&lt;/blockquote&gt;
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&lt;/script&gt;&lt;iframe sandbox="allow-scripts" security="restricted" src="https://personaleyesoptometry.com.au/refractive-index/embed/" width="600" height="338" title="&#x201C;Refractive Index&#x201D; &#x2014; Personal Eyes Optometrist Sydney CBD" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"&gt;&lt;/iframe&gt;</html><description>What is that? &nbsp;Well, put simply, it relates to the type of material used to make the prescription lenses. Refractive indexes range from 1.499 to 1.9. The higher the index the thinner the lenses will be. Our knowledgeable staff will guide you in selecting the type of lens material most appropriate for your particular prescription [&hellip;]</description><thumbnail_url>https://personaleyesoptometry.com.au/wp-content/uploads/2018/12/img14-1.jpg</thumbnail_url></oembed>

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