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Study sets matching "term:contact lenses = los lentes"

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Study sets matching "term:contact lenses = los lentes"

11 terms
Lenses/Lentes
eyglasses
sunglasses
contact lenses
hard contacts
los espejuelos... los lentes... los anteojos... las gafas
los lentes de sol... las gafas de sol
los lentes de contacto... las lentillas
lentes de contacto duros
eyglasses
los espejuelos... los lentes... los anteojos... las gafas
sunglasses
los lentes de sol... las gafas de sol
14 terms
Contact lenses
What does the contact lens rest on?
What is an ophthalmonmeter/keratometer?
What is astigmatism with the rule?
What is astigmatism against the rule?
Tear film
an instrument designed to measure the corneal curvature by us…
the vertical corneal meridian has the steepest curvature
the horizontal corneal meridian has the steepest curvature
What does the contact lens rest on?
Tear film
What is an ophthalmonmeter/keratometer?
an instrument designed to measure the corneal curvature by us…
35 terms
Contact Lenses
care product
coloured contact lenses
contact lens solution
contact lens case
Pflegeprodukt
farbige Kontaktlinsen
Kontaktlinsenflüssigkeit
Kontaktlinsenbehälter
care product
Pflegeprodukt
coloured contact lenses
farbige Kontaktlinsen
19 terms
Contact Lenses
Air Optix Night and Day Aqua
Air Optix Aqua
Purevision2HD
Pure vision
Monthly Silicone
Monthly Silicone
Monthly Silicone
Monthly Silicone
Air Optix Night and Day Aqua
Monthly Silicone
Air Optix Aqua
Monthly Silicone
19 terms
contact lenses
myopia
hyperopia
rigid/hard lenses= polymethylmethacryl…
rigid gas perm lenses
nearsightedness
farsightedness
impermeable to O2.... blur due to hypoxic edema
made of silicone and fluorosilicone... increased O2 perm... bad= at…
myopia
nearsightedness
hyperopia
farsightedness
40 terms
Contact Lenses
care product
coloured contact lenses
contact lens solution
contact lens case
Pflegeprodukt
farbige Kontaklinsen
Kontaktlinsenflüssigkeit
Kontaktlinsenbehälter
care product
Pflegeprodukt
coloured contact lenses
farbige Kontaklinsen
15 terms
Contact Lenses
What are the types of contact lenses?
Hard/Rigid
Soft
Wear
1. Hard/rigid ... 2. Soft... 3. Daily/ Continuous -- Wear ... 4. Repla…
(13%) ... Mostly RGP ... Rigid Gas Permeable... Relatively inflexible…
(87%)... - Moderate to highly flexible; absorb a high percentage…
Either daily or continuous (worn sleeping) 24 hours a day
What are the types of contact lenses?
1. Hard/rigid ... 2. Soft... 3. Daily/ Continuous -- Wear ... 4. Repla…
Hard/Rigid
(13%) ... Mostly RGP ... Rigid Gas Permeable... Relatively inflexible…
111 terms
Contact Lenses
Most practitioners would prefer to fit…
In spite of current popularity of gas…
A pmma lense would be contraindicated…
The characteristics of a pmma material…
B: Gas permeable lenses are easier to handle
A: High astigmatism
A: Ectatic corneal dystrophy
B: Oxygen permeable
Most practitioners would prefer to fit…
B: Gas permeable lenses are easier to handle
In spite of current popularity of gas…
A: High astigmatism
63 terms
Contact lenses
care product
coloured contact lenses
contact lens solution
contact lens case
Pflegeprodukt
farbige Kontaklinsen
Kontaktlinsenflüssogkeit
Kontaktlinsenbehälter
care product
Pflegeprodukt
coloured contact lenses
farbige Kontaklinsen
49 terms
Contact lenses
Hydrophobic
Hydrophilic
Peer Reviewed
Non peer reviewed
Does not like water
Loves water
Any article submitted for publication, read over by experts i…
No one is there to proof read the article
Hydrophobic
Does not like water
Hydrophilic
Loves water
15 terms
Contact Lenses
Poly(methyl methacrylate)
Poly(2-hydroxyethyl methacrylate)
Monomers to make Contact Lenses
Initiator
Used from 1948-1980s... -Hard contact lens... -Great optical proper…
1961 ... Soft Lenses... Offers little oxygen to eye
-Poly(methyl methacrylate)... -Poly(2-hydroxyethyl methacrylate)…
Active center is created and reacts with monomer molecule... -ca…
Poly(methyl methacrylate)
Used from 1948-1980s... -Hard contact lens... -Great optical proper…
Poly(2-hydroxyethyl methacrylate)
1961 ... Soft Lenses... Offers little oxygen to eye
50 terms
Contact Lenses
care product
coloured contact lenses
contact lens solution
contact lens case
Pflegeprodukt
farbige Kontaktlinsen
Kontaktlinsenflüssigkeit
Kontaktlinsenbehälter
care product
Pflegeprodukt
coloured contact lenses
farbige Kontaktlinsen
38 terms
CONTACT LENSES
care product
coloured contact lenses
contact lens solution
contact lens case
Pflegeprodukt
farbige Kontaktlinsen
Kontaktlinsenflüssigkeit
Kontaktlinsenbehälter
care product
Pflegeprodukt
coloured contact lenses
farbige Kontaktlinsen
35 terms
Contact lenses
care product
coloured contact lenses
contact lens solution
contact lens case
Pflegeprodukt
farbige Kontaktlinsen
Kontaktlinsenflüssigkeit
Kontaktlinsenbehälter
care product
Pflegeprodukt
coloured contact lenses
farbige Kontaktlinsen
8 terms
Contact Lenses
What does the LO column in the CL pric…
What does the OC column in the CL pric…
What is the profit margin that we shou…
What are the 2 types of Global Plans
Lowest price that it can be sold
Our cost
$5 per box
Fitting only plans and Plans that include supply
What does the LO column in the CL pric…
Lowest price that it can be sold
What does the OC column in the CL pric…
Our cost
14 terms
Contact lenses
CAB
DSCL
DW
EW
Cellulose acetate butyrate
Disposable soft contact lens
Daily wear
Extended wear
CAB
Cellulose acetate butyrate
DSCL
Disposable soft contact lens
25 terms
Contact lenses
RGP is good for patients who have
RGP is good for patients who have
RGP is good for patients who have
RGP is good for patients who have
Astismatism
Borderline dry eyes
Refits
Irregular cornea
RGP is good for patients who have
Astismatism
RGP is good for patients who have
Borderline dry eyes
12 terms
Contact Lenses
J&J Moist
J&J Trueye
B&L BioTrue
CVH Avaira
One Day, 8.5/9.0 (30p/90p)
One Day, 8.5/9.0 (30p/90p)
One Day, 8.5 (90p only)
2 Week, 8.5 (6p)
J&J Moist
One Day, 8.5/9.0 (30p/90p)
J&J Trueye
One Day, 8.5/9.0 (30p/90p)
35 terms
Contact Lenses
aufbewahren
aus kosmetischen gründen
bleibt zentriert
blinzeln
store
for cosmetic reason
remain centre
blink
aufbewahren
store
aus kosmetischen gründen
for cosmetic reason
29 terms
CONTACT LENSES
Conventional lense
Flexible wear lense
Extended wear lenses
Disposable lenses
Worn daily. Cleaned nightly. Replaced after 6 months.
Removed alternate nights and cleaned
Worn for a week at a time and cleaned
Worn for a set amount of time and disposed of. Cleaning!!
Conventional lense
Worn daily. Cleaned nightly. Replaced after 6 months.
Flexible wear lense
Removed alternate nights and cleaned
29 terms
contact lenses
To determine the base curve for a pts…
soft contact lens diameter can be sele…
what is vertex distance? Is it needed…
With rigid gas permeable (RGP) contact…
keratometry
b) a soft lens should extend beyond the limbus. Visible iris…
Vertex is the distance from cornea to back of lens. Yes it's…
True. RGP's are more dependent on eyelid structure than soft…
To determine the base curve for a pts…
keratometry
soft contact lens diameter can be sele…
b) a soft lens should extend beyond the limbus. Visible iris…
21 terms
Contact Lenses
What is not part of the case history?
A normal visible iris diameter measure…
A normal blink rate is
Tear break-up time will usually ______…
Fissure size
10.5 to 12.5 mm
10 to 15 blinks per minute
decrease
What is not part of the case history?
Fissure size
A normal visible iris diameter measure…
10.5 to 12.5 mm
29 terms
contact lenses
types of soft lenses
what are the two chemical agents to re…
what is an agent that is not a chemica…
how long to you soak in a chemical to…
daily wear, reusable.... daily wear, disposable... extended wear re…
clorhexidine... thimerosal
hydrogen peroxide
4 hours
types of soft lenses
daily wear, reusable.... daily wear, disposable... extended wear re…
what are the two chemical agents to re…
clorhexidine... thimerosal
19 terms
Contact Lenses
How long should the tear film remain u…
What is a normal reading for the Schir…
Lenses that contain 70% more water are…
Surfactant cleaners for soft and rigid…
10-15 seconds
15-20 mm in 5 minutes
High-water-content lenses
Oil, makeup, and lipids
How long should the tear film remain u…
10-15 seconds
What is a normal reading for the Schir…
15-20 mm in 5 minutes
47 terms
Contact lenses
What types of astigmatism is there?
What is against the rule astigmatism?
What is with the rule astigmatism?
What lens would you use to correct len…
corneal... lenticular (residual)... with the rule ... against the rule…
where a negative cyl is placed at 90 deg to correct astigmatism
where a negative cyl is placed at 180 deg to correct astigmat…
soft contact lens or front surface toric rgp
What types of astigmatism is there?
corneal... lenticular (residual)... with the rule ... against the rule…
What is against the rule astigmatism?
where a negative cyl is placed at 90 deg to correct astigmatism
73 terms
Fitting Rigid Contact Lenses
RGP are fit essentially
To order RGP lenses you need to specity
Practitioner flexibility when prescrib…
Ideally fitting RPG
the same when judging fit of lens
-back optic zone radius (BOZR)... -Total Diameter (TD)... -Back ver…
custom-made multi-curve lens designs
-acceptable comfort... -adequate centration... -correct diameter... -s…
RGP are fit essentially
the same when judging fit of lens
To order RGP lenses you need to specity
-back optic zone radius (BOZR)... -Total Diameter (TD)... -Back ver…
45 terms
Tinted Contact Lenses
What are some reasons for tinted conta…
What are the types of transparent tints?
What are the types of opaque tints?
Light tints transmittance what percent…
lens/material identification... enhancement or change in eye col…
with or without clear pupil
full coverage... partial coverage (open pupil)
90-96%
What are some reasons for tinted conta…
lens/material identification... enhancement or change in eye col…
What are the types of transparent tints?
with or without clear pupil
22 terms
CPO 3 - Contact Lenses
Contact Lens
Contact Lens Advantages
Soft Contact Lenses
Rigid Contact Lenses
A corrective, cosmetic, or therapeutic lens, usually placed o…
Less affected by wet weather, do not steam up, provide a wide…
Made from polymers or materials that absorb water, must stay…
Previously referred to as "hard" lenses, now known as rigid g…
Contact Lens
A corrective, cosmetic, or therapeutic lens, usually placed o…
Contact Lens Advantages
Less affected by wet weather, do not steam up, provide a wide…
26 terms
The History of Contact Lenses
describing/sketching the first ideas f…
the idea of making a mold of a wearer'…
made the first scleral, nonoptical con…
fitted the first optically correcting…
Leonardo da Vinci... 1508
Sir John Herschel... 1827
F.A. Muller... 1887
A.E. Fick... Edouard Kalt... 1888
describing/sketching the first ideas f…
Leonardo da Vinci... 1508
the idea of making a mold of a wearer'…
Sir John Herschel... 1827
15 terms
Multifocal Contact Lenses
Non-Ideal Patients for Multifocal CL
Ideal Patients for Multifocal CL
Dominant Eye Determination
Patient Expectations
Multifocal CL are not good for pts w/:... high visual demands... un…
Low myopes with low adds and little-to-none astigmatism
Have pt look at chart... Place +1.50 over OD, then OS. ... Which ey…
"70% of time you will be successful at distance and near"... "H…
Non-Ideal Patients for Multifocal CL
Multifocal CL are not good for pts w/:... high visual demands... un…
Ideal Patients for Multifocal CL
Low myopes with low adds and little-to-none astigmatism
21 terms
Contact Lenses Abbrev.
HCL
SCL
GPS
DW
hard contact lens
soft contact lens
gas permeable hard lens
daily wear
HCL
hard contact lens
SCL
soft contact lens
18 terms
BLOCK 102 - Contact Lenses
Contact Lens Use
Soft Contact Lens Characteristics
Soft Contact Lens Advantages
Soft Contact Lens Disadvantages
-Refractive errors (Myopia, hyperopia, astigmatism, presbyopi…
-HEMA (hydroxyethylmethacrylate)... -Silicon hydrogel... -Larger th…
-Easy to adapt to; greater INITIAL comfort... -Will not pop-out…
-Lower original cost but a higher ongoing cost... -Vision fluxua…
Contact Lens Use
-Refractive errors (Myopia, hyperopia, astigmatism, presbyopi…
Soft Contact Lens Characteristics
-HEMA (hydroxyethylmethacrylate)... -Silicon hydrogel... -Larger th…
81 terms
Contact Lenses Test 1
what are some of the drawbacks of kera…
Why is placido's disk the most common…
what is the advantage of the scheimpfl…
which computerized corneal topography…
1) Assuming a spherical cornea... 2) Only measures 3-4 mm of cor…
B/c we understand it's faults the best
measures ENTIRE cornea (thickness and curvature)
Scheimpflug (pentacam)
what are some of the drawbacks of kera…
1) Assuming a spherical cornea... 2) Only measures 3-4 mm of cor…
Why is placido's disk the most common…
B/c we understand it's faults the best
30 terms
Types of contact lenses
PMMA
PMMA
PMMA
Corneal warpage, corneal curvature and…
type of plexiglass
Back surface curve reflects cursive of cornea while front sur…
Does not allow transmission of oxygen and can induce corneal…
Long term wearing of PMMA lenses may include
PMMA
type of plexiglass
PMMA
Back surface curve reflects cursive of cornea while front sur…
150 terms
Specialty Contact Lenses and Keratoconus
Custom made lenses,... Soft, hard, and hy…
not Mass-produced lenses but custom le…
RGP has More options and Extended rang…
combined with soft and hard together,…
Specialty Lenses
specialty soft lenses
Rigid Gas Permeable Lenses
Hybrid Lenses
Custom made lenses,... Soft, hard, and hy…
Specialty Lenses
not Mass-produced lenses but custom le…
specialty soft lenses
49 terms
Optics and Contact Lenses
Base curve
Optical Zone
The smaller the lens diameter....
The larger the lens diameter...
Contains optical zone & power of lens,radius of curvature of…
The diameter over which the base curve extends over the surfa…
The steeper the radius.
The flatter the radius.
Base curve
Contains optical zone & power of lens,radius of curvature of…
Optical Zone
The diameter over which the base curve extends over the surfa…
15 terms
Contact Lenses ch1
Kevin Tuohy
Glass
Polycon I, the first silacrylate lens…
The biggest disadvantage of PMMA as a…
The individual awarded the first patent for a corneal lens ma…
Until the 1930s, all contact lenses were made of:
Leonard Sneidner
Gas permeability
Kevin Tuohy
The individual awarded the first patent for a corneal lens ma…
Glass
Until the 1930s, all contact lenses were made of:
27 terms
Pediatrics 3 - Contact Lenses
What percent of CL wearers are children?
Until what age are children often fit…
What are the visual and optical advant…
What are the cosmetic advantages of CL…
10%
10-12 years old, but starting to become younger to even 8 yea…
Better peripheral vision... Reduced magnification or minificatio…
Appearance is more normal... Reduces social stigma in older chil…
What percent of CL wearers are children?
10%
Until what age are children often fit…
10-12 years old, but starting to become younger to even 8 yea…
51 terms
session 15: contact lenses
contraindications
primary indication
myopia
hyperopia
-risk of infection and inflammation if monocular lenses left…
correction of refractive errors
nearsightedness
farsightedness
contraindications
-risk of infection and inflammation if monocular lenses left…
primary indication
correction of refractive errors
29 terms
Specialty Contact Lenses
Methafilcon
Hioxifilcon
SiHy Materials
Hydrogel materials
Dk 19.5, group 4 (high water, ionic)
Dk 15-23, HEMA/GMA, group 2 (high water/nonionic)
Definitive, lagado
Methafilcon, Hioxifilcon
Methafilcon
Dk 19.5, group 4 (high water, ionic)
Hioxifilcon
Dk 15-23, HEMA/GMA, group 2 (high water/nonionic)
168 terms
Contact Lenses Test 3
what are the 3 types of GPs for presby…
why are GPs good for your practice?
who's a good candidate for GPs?
for patients, they notice presbyopia g…
1. Concentric... 2. Aspheric (progressive)... 3. Translating (segme…
More revenue... More referrals... More "fun"
Presbyopia... Current GP wearers... Motivated pts... Those with little…
FALSE... for a lot of pts, they notice it suddenly
what are the 3 types of GPs for presby…
1. Concentric... 2. Aspheric (progressive)... 3. Translating (segme…
why are GPs good for your practice?
More revenue... More referrals... More "fun"
13 terms
Contact Lenses and Keratometry
Does a contact lens sit on the cornea…
Is the refractive power of contact len…
What type of contact lens has good oxy…
0.05 mm + ____ diopters
Tear film
Front surface
RGP's
0.25
Does a contact lens sit on the cornea…
Tear film
Is the refractive power of contact len…
Front surface
60 terms
Advance contact lenses final
What is not a problem caused from comp…
What is the refractive index of the te…
What is the most common caused by a vi…
Lipid abnormalities occur when _______…
Blepharitis
1.336
Muncin deficiency
Meibomian glands are absent
What is not a problem caused from comp…
Blepharitis
What is the refractive index of the te…
1.336
20 terms
Spherical Soft Contact Lenses
Dailies aqua comfort plus
Dailies toal 1
Air optix night and day aqua
Air optix aqua
Nelfilcon a... hydrogel
Delefilcon... gradient
Lotrafilcon a... Plano option... CW, monthly... 13.8 mm
Lotrafilcon a... EW
Dailies aqua comfort plus
Nelfilcon a... hydrogel
Dailies toal 1
Delefilcon... gradient
22 terms
260A - Contact Lenses - Orthokeratology
Are OrthoK lenses flatter or steeper t…
What is the difference between the 3 c…
How much do we want the corneal apex t…
What is reverse geometry design?
Flatter
The 4 curve has a flatter vase curve, and they have a flatter…
Not at all. We want a little bit of clearance. ... We want to h…
...
Are OrthoK lenses flatter or steeper t…
Flatter
What is the difference between the 3 c…
The 4 curve has a flatter vase curve, and they have a flatter…
10 terms
Soft Contact lenses for Presbyopia
With this lens type, near vision may b…
A simple approach where one eye is fit…
A bifocal lens design which functions…
When accommodation starts to be less e…
center near aspheric simultaneous vision lens design
monovision
simultaneous vision lens design
presbyopia
With this lens type, near vision may b…
center near aspheric simultaneous vision lens design
A simple approach where one eye is fit…
monovision
66 terms
Intro to Contact Lenses
Who is credited with introducing the g…
What was the goal of da Vinci's experi…
What did Rene Descartes experiments en…
Who was the first person to successful…
Leonardo da Vinci
He wanted to understand the mechanisms of accommodation
He proposed filling a glass tube with water and placing ti di…
Adolf Fick
Who is credited with introducing the g…
Leonardo da Vinci
What was the goal of da Vinci's experi…
He wanted to understand the mechanisms of accommodation
81 terms
Contact Lenses Test 4
what type of topography display gives…
where should we make sure we measure t…
will you expect full correction on the…
which curve is the most important for…
TANGENTIAL
GEOMETRIC CENTER
NO
6th curve
what type of topography display gives…
TANGENTIAL
where should we make sure we measure t…
GEOMETRIC CENTER
11 terms
History of Contact Lenses
Leonardo de vinci
Rene descartes
Thomas young
Sir John Herschel
1508 used a glass lens to change the optical power of the cor…
1632 - tube of water to neutralize the cornea
1801 - Used optical ideas from Descartes to study accommodati…
1827 - English astronomer - mold of the eye - fluid placed be…
Leonardo de vinci
1508 used a glass lens to change the optical power of the cor…
Rene descartes
1632 - tube of water to neutralize the cornea
Batch 6: Contact Lenses
The diffusion of oxygen through a cont…
True or false: the application and eva…
Name the instrument used to determine…
Name three reason to dispense a therap…
DK (diffusivity/solubility) value
true
radiuscope and/or Contacto Gauge
to protect cornea from eyelids and eyelashes, to promote corn…
The diffusion of oxygen through a cont…
DK (diffusivity/solubility) value
True or false: the application and eva…
true
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