Contact Lens Suitability Assessment
80 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the primary reason why a practitioner should not fit themselves with contact lenses?

  • To ensure proper follow-up care
  • Because they cannot conduct the appropriate examinations on themselves (correct)
  • To avoid self-diagnosis
  • To maintain patient confidentiality

What should a patient be told to do if they experience discomfort, redness, watering, visual disturbance, or other problems?

  • Seek professional advice before changing to a solution not recommended (correct)
  • Discontinue lens use until the issue resolves
  • Contact the manufacturer for guidance
  • Try a different brand of contact lenses

What is a characteristic of high modulus contact lenses?

  • They are more forgiving to fit
  • They tend to move better on the eye
  • They are more comfortable for the wearer
  • They are often due to older Silicone Hydrogel designs (correct)

What is the purpose of lubricity in a contact lens?

<p>To reduce abrasion and provide a more forgiving fit (B)</p> Signup and view all the answers

What is the result of resistance to dehydration in a contact lens?

<p>Comfort due to continued lubricity and maintenance of movement (D)</p> Signup and view all the answers

What is the purpose of wettability in a contact lens?

<p>To improve tear film stability (B)</p> Signup and view all the answers

Which type of patient may benefit from a contact lens with better wettability and lubricity?

<p>A patient with dry eye or incomplete blink (B)</p> Signup and view all the answers

What is the classification of UV protection in the Acuvue Oasys 1-day and 2-weekly lenses?

<p>Class 1 for both (B)</p> Signup and view all the answers

What is the percentage of UVA protection in a Class 1 UV-protected contact lens?

<p>90% (C)</p> Signup and view all the answers

What is the approximate percentage of lifetime UV exposure that occurs before the age of 18?

<p>80% (A)</p> Signup and view all the answers

What is the maximum time period for which a patient's eye examination prescription is considered valid for contact lens suitability assessment?

<p>24 months (A)</p> Signup and view all the answers

What is required to be recorded on the contact lens record card if the eye check has taken place at Boots Opticians?

<p>Details of the prescription including date and prescriber (D)</p> Signup and view all the answers

Who can fit contact lenses?

<p>Only registered optometrists, doctors, contact lens opticians, or trainees under appropriate supervision (C)</p> Signup and view all the answers

What should you avoid in contact lens practice?

<p>Occasional contact lens practice (B)</p> Signup and view all the answers

What should you discuss with patients before fitting powered or zero powered contact lenses?

<p>All of the above, including the risks and complications, advantages and disadvantages, and total estimated costs (D)</p> Signup and view all the answers

What should you discuss with patients to help them make informed choices?

<p>Contact lens options and risks and benefits (B)</p> Signup and view all the answers

What is the timescale for a patient's last eye examination or sight test when assessing a patient who wishes to wear zero powered contact lenses?

<p>Within the past two years or within the timescale recommended at the patient’s last eye examination or sight test (C)</p> Signup and view all the answers

What level of care should patients wearing powered or zero powered contact lenses receive?

<p>The same degree of care as they are exposed to the same risks (B)</p> Signup and view all the answers

What should you include in the assessment of a patient who wishes to wear contact lenses?

<p>A detailed assessment of the anterior eye and relevant information about the patient's history (B)</p> Signup and view all the answers

What is the minimum requirement for patients wishing to wear powered contact lenses?

<p>A recent sight test within the last two years (C)</p> Signup and view all the answers

Who are authorized to fit contact lenses?

<p>Optometrists, doctors, and contact lens opticians (C)</p> Signup and view all the answers

What should you ensure when fitting contact lenses?

<p>The type and brand of contact lens and care regimen are suitable for the patient (A)</p> Signup and view all the answers

What is required for patients wishing to wear zero powered contact lenses?

<p>A recent sight test (C)</p> Signup and view all the answers

What should be recorded in the patient notes?

<p>All relevant information (B)</p> Signup and view all the answers

What should you record in the patient notes when fitting contact lenses?

<p>All relevant information and advice given to the patient (D)</p> Signup and view all the answers

Who should not fit themselves with contact lenses?

<p>The person themselves (D)</p> Signup and view all the answers

What should you determine and advise on when fitting contact lenses?

<p>The wearing schedule and the length of the fitting period (B)</p> Signup and view all the answers

What is the usual duration of the fitting period for contact lenses?

<p>Less than three months (D)</p> Signup and view all the answers

Why should you discuss with the patient why you find them unsuitable for contact lens wear?

<p>To inform the patient of the reasons for unsuitability and provide an alternative solution (A)</p> Signup and view all the answers

What should you consider when assessing a patient for contact lens wear?

<p>All of the above, including medical history, previous contact lens wear, occupational and recreational needs, and ability to handle and care for the contact lenses (D)</p> Signup and view all the answers

What is the primary factor affecting oxygen transmissibility in Silicone Hydrogels?

<p>Silicone polymer structure (A)</p> Signup and view all the answers

Why do Hydrogels have lower Dk/t values compared to Silicone Hydrogels?

<p>Higher water content (D)</p> Signup and view all the answers

What is a potential drawback of using Silicone Hydrogels with higher modulus?

<p>Decreased wearer comfort (A)</p> Signup and view all the answers

What happens when Hydrogels dehydrate over time?

<p>They cause symptoms of dryness (B)</p> Signup and view all the answers

Why is Acuvue Moist a potential alternative to Silicone Hydrogels?

<p>It attracts lysozyme (A)</p> Signup and view all the answers

What is the primary consequence of insufficient oxygen supply to the cornea?

<p>Corneal epithelial barrier function compromise (C)</p> Signup and view all the answers

What is the potential consequence of corneal epithelial barrier function compromise?

<p>Inflammation and infection (D)</p> Signup and view all the answers

What is a characteristic of Proclear lenses?

<p>Retention of water due to PC content (B)</p> Signup and view all the answers

What is the primary advantage of using Silicone Hydrogels as a first-choice lens?

<p>Higher oxygen transmissibility (C)</p> Signup and view all the answers

What is a potential complication arising from hypoxia?

<p>Neovascularisation (D)</p> Signup and view all the answers

What is the primary reason for requiring a recent sight test for patients wishing to wear powered or zero powered contact lenses?

<p>To ensure the patient's prescription is up to date (A)</p> Signup and view all the answers

What is the minimum requirement for professionals who can fit contact lenses?

<p>Registered optometrists, doctors, contact lens opticians, or trainees under appropriate supervision (D)</p> Signup and view all the answers

What should be avoided when fitting contact lenses?

<p>Occasional contact lens practice (D)</p> Signup and view all the answers

What is the maximum time period for which a patient's eye examination prescription is considered valid for contact lens suitability assessment?

<p>24 months (B)</p> Signup and view all the answers

What should be recorded on the contact lens record card where the eye check has taken place at Boots Opticians?

<p>Details of the prescription including date and prescriber (A)</p> Signup and view all the answers

What should be done with the patient's prescription if the eye check has taken place outside Boots Opticians?

<p>Staple a copy of the prescription inside the contact lens record card (C)</p> Signup and view all the answers

Why is it important to discuss options with patients?

<p>To help them make informed choices (D)</p> Signup and view all the answers

What should be given to patients wearing powered or zero powered contact lenses?

<p>The same degree of care as they are exposed to the same risks to their ocular health (A)</p> Signup and view all the answers

What should not be done by a practitioner?

<p>Fitting themselves with contact lenses (D)</p> Signup and view all the answers

What is the purpose of updating the OPS record with a patient's prescription?

<p>To record the patient's prescription as an external Rx with expiry (D)</p> Signup and view all the answers

What should a health care professional discuss with patients before fitting powered or zero powered contact lenses?

<p>The risks and complications of wearing contact lenses and the advantages and disadvantages of available contact lens types (D)</p> Signup and view all the answers

What should health care professionals ensure when fitting contact lenses?

<p>That the type and brand of contact lens and care regimen are suitable for the patient (D)</p> Signup and view all the answers

Who may fit contact lenses?

<p>Only optometrists, doctors, and contact lens opticians (D)</p> Signup and view all the answers

What should health care professionals record in the patient notes when fitting contact lenses?

<p>Any information or advice given to the patient (D)</p> Signup and view all the answers

What should health care professionals consider when assessing a patient for contact lens wear?

<p>All of the above, as well as other relevant factors (D)</p> Signup and view all the answers

What should health care professionals tell patients when fitting contact lenses?

<p>How to wear and care for the contact lenses safely and hygienically (C)</p> Signup and view all the answers

Why should health care professionals avoid occasional contact lens practice in specialist areas?

<p>Because it requires specialized knowledge (D)</p> Signup and view all the answers

What should health care professionals ensure when conducting a sight test or eye examination for patients who wish to wear contact lenses?

<p>That the patient has had a sight test or eye examination within the past two years (D)</p> Signup and view all the answers

What should health care professionals discuss with patients who are unsuitable for contact lens wear?

<p>Why they find them unsuitable for contact lens wear (D)</p> Signup and view all the answers

What should health care professionals determine and advise on when fitting contact lenses?

<p>The length of the fitting period (A)</p> Signup and view all the answers

What is the primary factor affecting oxygen transmissibility in Hydrogels?

<p>Water content (B)</p> Signup and view all the answers

What is the benefit of lower water content in Silicone Hydrogels?

<p>Resistance to dehydration (C)</p> Signup and view all the answers

What is the consequence of insufficient oxygen supply to the cornea?

<p>Corneal epithelial barrier function compromise (C)</p> Signup and view all the answers

What is the primary advantage of using Silicone Hydrogels as a first-choice lens?

<p>Higher Dk/t (C)</p> Signup and view all the answers

What is a characteristic of Silicone Hydrogels with higher modulus?

<p>They can be uncomfortable (C)</p> Signup and view all the answers

What happens when Hydrogels dehydrate over time?

<p>They cause symptoms of dryness (A)</p> Signup and view all the answers

What is the benefit of higher Dk/t values in Silicone Hydrogels?

<p>They minimize hypoxia and associated complications (C)</p> Signup and view all the answers

Why are Silicone Hydrogels a better choice for longer wearing times?

<p>They are more resistant to dehydration (D)</p> Signup and view all the answers

What is the result of corneal epithelial barrier function compromise?

<p>All of the above (D)</p> Signup and view all the answers

What is a characteristic of Acuvue Moist lenses?

<p>Low modulus (B)</p> Signup and view all the answers

What is the primary purpose of explaining the care, wearing, treatment, cleaning, and maintenance of contact lenses to the patient?

<p>To educate the patient on how to handle and maintain their contact lenses properly (D)</p> Signup and view all the answers

What is the primary advantage of using contact lenses with low modulus?

<p>They are more forgiving to fit and tend to move better on the eye (A)</p> Signup and view all the answers

What is the primary consequence of a contact lens with high modulus?

<p>It is more likely to cause discomfort and papillary conjunctivitis (A)</p> Signup and view all the answers

What is the primary purpose of assessing the wettability of a contact lens?

<p>To evaluate its lubricity and surface smoothness (D)</p> Signup and view all the answers

What is the primary benefit of using contact lenses with UV protection?

<p>They reduce the risk of cataract and age-related macular degeneration (D)</p> Signup and view all the answers

What is the primary characteristic of a contact lens with high lubricity?

<p>It moves more on the eye and provides a more forgiving fit (D)</p> Signup and view all the answers

What is the primary reason why a patient with dry eye may benefit from a contact lens with better wettability and lubricity?

<p>To provide a more comfortable fit and reduce mechanical irritation (A)</p> Signup and view all the answers

What is the primary purpose of recording the patient's contact lens specification?

<p>To provide a written record of the patient's contact lens prescription (B)</p> Signup and view all the answers

What is the primary consequence of a contact lens that dehydrates over time?

<p>It reduces its oxygen transmissibility and increases the risk of hypoxia (A)</p> Signup and view all the answers

What is the primary reason why a practitioner should not fit themselves with contact lenses?

<p>They cannot conduct the appropriate examinations on themselves (B)</p> Signup and view all the answers

More Like This

Contact Lenses: Comprehensive Guide
10 questions
Rigid Gas Permeable Lenses Overview
42 questions
Use Quizgecko on...
Browser
Browser