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Dr. Jeffrey Browen, O.D. gives the viewer a quick run down on orthokeratology. In simple language, he explains what it is, how it works, and who is the best candidate for this amazing type of vision correction. Thanks for watching, and be sure to check out http://jeffreybrowen.net for more information!
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O R T H O K E R A T O L O G YD R . J E F F R E Y B R O W E N , O . D . P R E S E N T S :
S O W H A T I S I T ?
• AKA “Ortho-K”
• A method of vision correction
• Neither glasses nor contact lenses
• Not surgery, like Lasik
• Ortho-K deals with a special process
• A patient is fitted with special lenses
• Not dissimilar to contacts
H O W A R E T H E Y D I F F E R E N T A N D H O W
D O T H E Y W O R K ?
• Unlike contacts, these are worn partially
• Usually at night
• Ortho-K lenses actively reshape the cornea
• Removed upon waking
• Allows the patient to see clearly throughout the day!
T H E M A N U F A C T U R E
• Many eye health companies offer it
• Most popular is from Bausch and Lomb
• However, the most integral part of the lenses is…
… G A S P E R M E A B I L I T Y
W H Y ?
• Gas permeability ensures
sufficient levels of oxygen get
to the eye.
• Not enough oxygen?
• Hypoxia may set in
• But the more permeable the
lens is…
• … the less chance hypoxia
can occur
C R T
• Corneal Refractive Therapy
• Similar to Ortho-K
• Also uses corrective lenses worn in sleep
• Developed by Paragon Vision Sciences
W H O ’ S A G O O D F I T
• Patient’s who aren’t good fits for surgery
• Temporary fix
• But it’s worn in the sleep, so it’s still glasses free!
T H A N K S T O O R T H O K A D E M Y . C O M +
V I S I Q U E O P T O M E T R I S T . C O . N Z F O R I M A G E S
Thanks for watching