Indication/Contraindications and Slit Lamp
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
---|---|---|---|---|---|
What is needed before fitting contact lenses? | A thorough patient history; an eye exam and a vision exam; patient lifestyle; past and present abnormalities; infections, injury, eye surgeries, or eye disease
🗑
|
||||
All information should be _______ and ______. | recorded and dated
🗑
|
||||
What are some respiratory disorders that could effect contact wear? | Rhinitis; sinusitis; hay fever; asthma; allergies
🗑
|
||||
What problems do respiratory disorders cause that effect contact wear? | enlarged blood vessels; photophobia; itching; lacrimation; burning; ocular sensitivity; debris in the tears
🗑
|
||||
Patients with respiratory disorders would be best fit with _________? | single use
🗑
|
||||
What problems will patients with diabetes have with contact wear? | have a higher risk of infection, due to decreased healing process; need more follow-ups; need to be warned about over-wearing, cleaning properly, throwing out when supposed to
🗑
|
||||
Patients with diabetes are good candidates for single use depending on the ________? | prescription
🗑
|
||||
What type of endocrine (hormonal) changes effect contact wear and why? | Pregnancy, menopause, and the use of birth control pills; causes dry eyes and deposits on lenses
🗑
|
||||
How does thyroid disease effect contact wear? | protrusion and drying of the eyes can cause the lens to dislodge easier
🗑
|
||||
What are two other things protrusion is known as? | exophthalmos and proptosis
🗑
|
||||
What problems does rheumatoid arthritis cause for wearing contacts? | dry eyes and may have problem handling lenses
🗑
|
||||
What is Keratitis Sicca or Keratoconjunctivitis Sicca? | severely dry eyes which causes the cornea to break; causes higher risk of infection
🗑
|
||||
What type of skin diseases can effect contact wear if they are found around the eyes? | Seborrhea; psoriasis; neurodermatitis; blepharitis; rosacea; eczema
🗑
|
||||
What type of patient should never be fit with contacts and why? | Monocular patients; don't want to risk blindness due to infection
🗑
|
||||
What are monocular patients best fit with? | Polycarbonate or Trivex
🗑
|
||||
What type of medications effect contact wear? | Acutane; Dyazide and Lasix; Lanoxin; Donnatal; Valium; Antihistamines; Decongestants
🗑
|
||||
What complications can medications cause that effect contact wear? | dry eyes; photophobia; fluctuation in vision; decreased corneal sensitivity; decreased blink rate; mydriases; also can effect lids and conjunctiva
🗑
|
||||
What advantages do contacts provide for aphakes or high hyperopes? | less distortion and less magnification
🗑
|
||||
What is the magnification for glasses compared to contact lenses? | Glasses 25-30%; Contacts 7%
🗑
|
||||
What advantages do contacts allow for anisometropia (unequal refractive power)? | Less distortion using contact lenses and reduces image size difference compared to glasses.
🗑
|
||||
What advantages do contacts allow for high myopes? | gives them closer to normal vision; glasses make everything look smaller
🗑
|
||||
What advantages do contacts allow for patients with irregular corneal astigmatism? | cannot be corrected with glasses; must be fitted with GP
🗑
|
||||
How does a GP lens correct irregular corneal astigmatism? | The lacrimal lens (tears behind the lens) corrects the astigmatism
🗑
|
||||
How do contacts help with keratoconus? | Kerataconus patients have irregular astigmatism, steep corneas, and unusual refractive errors which are best corrected with GP lenses
🗑
|
||||
Patients with corneal disease are best fit with....? | therapeutic or bandage lenses; not candidates for regular contacts
🗑
|
||||
How can contacts help patients with aniridea or ocular albinism? | special iris lenses or opaque lenses; blocks out some of the light which allows better VA and reduces photophobia
🗑
|
||||
How do contacts help patients with nystagmus? | colored contact will help with VA and reduce the movement
🗑
|
||||
What type of occupations and hobbies work well with contacts? | patients that are in and out in different temperatures; patients that are out in the weather; use a microscope all day; all active sports
🗑
|
||||
Why do myopes that are beginning to have presbyopia not work well with contacts? | have trouble reading up close with contacts
🗑
|
||||
What is a psuedomona? | A bacteria found in water that can cause you to lose your eye in 24 hours.
🗑
|
||||
What is an acanthamoeba? | A parasite that lives in water, that can cause severe pain
🗑
|
||||
What type of contacts should pilots never be fitted with? | monovision
🗑
|
||||
Because of the instruments used by pilots and police officers they should never be prescribed what type of sunglasses? | Polarized or blue blockers
🗑
|
||||
What is another name for the slit lamp? | Biomicroscope
🗑
|
||||
What magnification should we start with during a slit lamp exam? | 6X or 10X
🗑
|
||||
What type of illumination should we start with during a slit lamp exam? | low illumination
🗑
|
||||
How much of angle should be between the light and the microscope? | 45-50 degree
🗑
|
||||
What should the height of the light be to begin with? | 12 mm
🗑
|
||||
What should the width of the light beam be to begin with? | 2-3 mm
🗑
|
||||
Where should the light beam be to begin with while you are making adjustments? | On the outer canthus
🗑
|
||||
What does all the focusing on the slit lamp? | joystick
🗑
|
||||
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
griffiskr
Popular Medical sets