This type of lens is much stiffer and smaller than a traditional disposable soft lens
What is a Rigid Gas perm lens (RGP/hard lens)
BC
What is base curve?
A medical condition in which the lens of the eye becomes progressively opaque, resulting in blurred vision.
What is cataracts
Symptoms include: small dark spots or squiggly lines that float across your vision
What is Floaters
We use this to check the power of a lens, it can be manual or digital
what is a lensometer
Most soft lenses have this measurement between a 13.8 and 14.5
What is diameter?
gtt
Drop
A condition of increased pressure within the eyeball, causing gradual loss of sight.
What is glaucoma?
What does PD stand for?
What is pupillary distance?
The number on a contact lens prescription that determines curvature radius.
What is base curve?
qhs
What is at night
Bright flashinig lights in the peripheral vision and feeling like a curtain being pulled over their vision are signs of this dangerous condition
What is a Retinal Detachment?
Who is the biggest contact lenses manufacturer?
What is Bausch & Lomb?
A defect in the eye caused by a non-spherical curvature, which results in distorted images
What is astigmatism?
A contact lens technically splits this layer when it is on the front surface of the eye and doesn't tough the cornea at all
What is the tear layer?
RGP
What is Rigid Gas Permeable
This type of cancer can be found in the retina, eyelid and iris
What is melanoma?
Who is the largest optical lens manufacturer?
What is Essilor?
A painful but non dangerous bump on the eyelid, essentially a pimple.
What is a Stye? (Hordeolum)
This lens is the same size as a soft lens but is stiffer and is reserved for dry eye and corneal disease
What is a Scleral lens
LASIK
What is Laser Asisted in Situ Keratomileusis?
One or both eyelids not open to their full potential
What is Ptosis?
Symptoms include: Floaters , flashes of light in your side (peripheral) vision, surgery is usually not an option
What is a Vitreous Detachment
The most common test used on the visual fields machine. Hint-it doesn't take all day but it has the same NUMBER of hours.
What is 24-2?