The Keratometer is calibrated to an index of refraction of
What is 1.3375?
The filter that diffuses anything that is red in color
What is the green filter?
The layer of the corneal tear film that is secreted by the lacrimal gland and is responsible for preventing the epithelial layer from drying out is
What is the Aqueous?
The diameter of a soft lens needs to be
What is 2mm larger than the HVID?
The first person to conceive the idea of a contact lens
Who is Leondardo DaVinci?
The range of the Keratometer is
What is 36 - 52D?
The illumination that detects disruption of transparency in the cornea
What is sclerotic scatter?
The layers of the cornea from posterior to anterior is
What is endothelium, descemet's membrane, stroma, bowman's membrane, and epithelium?
The 5 criteria for an acceptable soft spherical fitting is
What is three-point touch, movement, centration, visual acuity and comfort?
The contact lens manufacturer that purchased the rights to soft lenses
Who is Bausch and Lomb?
The amount and type of corneal astigmatism of the following scenario is
42.00 @ 175 /43.00 @ 80
What is 1D of Irregular astigmatism
The illumination used to evaluate the individual layers from the precorneal tear film to the endothelial layer
What is Optic Section?
The thin, transparent mucous membrane that lines the inside of the lids is
What is the palpebral conjunctiva?
The wearing schedule of a new soft contact lens fitting
What is 4 hours the first day, increasing 2 hours each day until a full day's wear has been achieved?
The inventor of soft contact lenses
Who is Otto Wichterle?
To extend the range of the Keratometer to 61D, we would use
What is +1.25 trial lens
An overall view of the eye or contact lens fitting without any specific detail
What is diffuse?
New blood vessel growth is
What is neovascularization?
The instrument used to assess three-point touch is
What is the Keratometer?
Developed a contact lens for the treatment of keratoconus
Who is Eugene Kalt?
When the horizontal meridian is flatter than the vertical meridian.
What is with the rule corneal astigmatism?
Can be used to view vascularization
What is retro-illumination?
The pathway in which tears drain from the eye is
What is tears form in the lacrimal gland, create a tear meniscus, negative pressure sucks pressure into the canaliculi, to the lacrimal sac, and out the nasolacrimal duct.
The FDA is responsible for Soft Contact Lens groupings. A group 3 classification is
What is Low Later and Ionic Polymers?
The pioneer that was the maker of prosthetic eyes
Who is F.A Muller