Procedures Three Final Exam Study Guide

The diameter of a rigid contact lens can best be measured by

Conventional wear means you use a pair of contact lenses for ___________?

To measure the vertical meridian with a manual keratometer

Constant blurring with a toric soft lens is most likely the result of:

Higher water content lenses provide more oxygen to the cornea in

Round bacteria that appear singly, paired, clustered, or chained are

From the JCAHPO CD, the markings on a soft toric contact lens always indicate

Placing an enhancing tint on a soft contact lens creates:

A thorough history for the fitting of RGPs does not include the following

All of the following are contact lens parameters except:

Pt would keep the same pair of Ctl for the entire year and remove the lenses each night. What type of replacement

Which is not true of a thin design soft CL?

Which of the following is an advantage of an RGP over a soft lens?

A 44.50, +4.00 rigid lens design has the same effective power as 44.00 and

Soft contact lenses are susceptible to deposits of

How can you make a tight fitting soft CL fit looser?

The correct lens for a toric soft contact lens fit is primarily determined by:

Which Contact lens are more gas permeable?

For a successful contact lens fitting appointment outcome, the most important consideration is:

Which is not a symptoms of a patient with a hypersensitivity reaction due to contact lens solutions?

Schirmer tear testing should be performed before an A-scan if a patient needs this test.

Which of the following reflects the steepest base curve of CL or steepest cornea?

A large cornea usually requires a rigid contact lens diameter to be over_________mm.

If a patient has a need for an astigmatic correction and they wish to wear monovision

A high water content lens contains over 45% water

The peripheral zone of the cornea is ________ the central corneal zone.

What does CLARE stand for?

Used when cause of a condition is unknown. Allows for indentification of PMNs, lymphocytes, and epithelial cells

Cryotherapy is used for all of the following EXCEPT:

Which of the following inflammatory cell types is most associated with allergic inflammation?

Which is not proper procedure for patient insertion of a soft contact lens?

An important difference when fitting soft and rigid lenses is that soft contact lenses are?

Which of the following may be a contraindication for rigid contact lens wear?

A corneal infection can be caused by a Bacteria

preliminatry results in 24 hours with final results in 48 to 72 hours

Which of the following is true?

what is the diameter of this RGP

Rigid contact lens patients with small palpebral fissure size may do best with a __________ fit

fibrovascular scar caused by corneal neovascularization

Eighty percent of gas permeable contact lens wearers will show 3 and 9 o'clock staining

For "K" readings of 44.00x180 and 42.00x90, the base curve for a contact lens fit 1D flatter than "K" would be

used to differentiate bacterial organisms into 2 groups: Gram + and Gram -

Treatment for contact lens over wear syndrome typically includes

Needs to be incubated before results will show

Put these in order from flattest/ middle/ steepest 8.6, 8.9,8.3

A rigid contact lens should be inserted directly into

Which group is least prone to deposits?

occurs in patients who over wear their CLs and causes perilimbal injection and sub-epithelial infiltrates

Which is not a design type for bifocal soft contact lenses?

Can be used for determining a noninfectious inflammatory process

Treatment of GPC usually involves discontinuing CL wear for a period of time, changing contact lenses, and changing Ctl

Which Pair of soft CL fit and is given a brand of contact lenses that should be removed nightly disposed of every 2wk is

Which of the following is the most serious contact lens associated complication?

The Cornea gets oxygen from the atmosphere, and Tear film

Which is not a symptom of a patient with a hypersensitivity reaction due to contact lens solutions?

Which is not proper procedure for patient removal of a soft contact lens?

The average diameter of a PMMA lens is:

Which of the following is not a sign or symptoms of a corneal ulcer related to contact lens wear?

Which of the following best describes the shape of the cornea?

A rigid gas permeable contact lens for a keratoconus eye should be fit

In general, the higher the water content of a soft contact lens, the greater the amount of oxygen transmission.

When obtaining material for a conjunctival culture it is important to:

Which is not proper procedure for rigid gas permeable contact lens care?

Which of the following patients would be the easiest contact lens fit and the patient most likely to be successful with

Which wetting angle would promote the best tear spread on a contact lens

plated on a slide and fixed with a blue and red stain

The fluorescein pattern of a steep fitting rigid lens may reveal

A soft CL should center well enough to cover at least________ percent of the cornea.

A contact lens of 8.6 BC and 14.2 diam fits too tight. Which of the following would loosen the lens?

Our ability to see near objects is a result of, the thickening of increase in curvature of the crystalline lens

All of the following are advantages to wearing a contact lens EXCEPT:

The most common type of color vision deficiency is:

Which is not usually a patient symptom of a tight fitting soft CL?

Acceptable movement, with blink, for a soft CL would be no less than:

Schirmer's test is performed

Which of the following represents against-the-rule astigmatism?

local drying of the cornea nasally and temporally in an RGP wearer

An over-refraction of +0.50-1.00x45 for a non-toric rigid lens indicates that there is _________ present.

Soft contact lenses were introduced to the US in

Contact lenses with a higher______will be easier for a patient to insert.

Which of the following is not a preservative used in solutions?

Which is true of low water content soft lenses when compared to high water content lenses?

If the horizontal corneal meridian has the steepest curvature, the astigmatism is called

Regarding Sloan reading cards, 4M print is _____ as large as 3M print.

A contact lens design for presbyopes that imitates spectacle bifocal lenses describes:

A corneal may occur from a tiny particle getting under the lens.

Cleaning of a contact lens should always include rubbing the contact lens.

The Nd:YAG laser is an example of:

Alternating lens design CLs should be fit:

Some toric RGP lenses are designed with a small segments of the lens edge removed to allow for stability on the eye

Which of the following is not true of corneal warpage?

All of the following are types of contact lenses EXCEPT:

The distance from a flat surface to the highest point on a contact lens is termed the:

Which is the most common contact lens related problem?