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CL002 Two position keratometer

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CL001 One position keratometer

Contact Lenses • 51s

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  • CL002 Two position keratometer

    In two-position keratometers the doubling is fixed for a particular separation of the mires. The separation of the mires themselves has to be altered in order for the reading to be taken.

  • CL003 Upper lid eversion

    Everting the upper lid allows observation of the palpebral conjunctiva of the upper lid. It is useful to evert the lids and examine the palpebral conjunctiva using the slit-lamp prior to fitting a patient with contact lenses to establish a baseline. It is also indicated if the patient has a red e...

  • CL004 Slit lamp calibration using a c...

    Prior to using the slit-lamp it is important to make sure that it is set up to provide ease of use and comfort for the patient and practitioner. Repeating this procedure for each patient will allow the maximum amount of clinical information to be gathered in a reasonable period of time.