Contact Lens Care and Aftercare Regulations
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Questions and Answers

What is the primary indication of active corneal inflammation or hypoxia in the bulbar conjunctiva?

  • Dilation or peri-limbal redness (correct)
  • Corneal staining
  • Neovascularisation
  • Infiltrates at the head of vessels

    • What is the purpose of using a Wratten filter in fluorescein staining?

  • To improve tear film assessment
  • To reduce fluorescein toxicity
  • To visualize microcysts
  • To enhance corneal staining (correct)

    • What is the primary purpose of performing keratometry during a contact lens assessment?

  • To assess the importance of avoiding contact with water
  • To determine the best spectacle visual acuities following lens removal
  • To evaluate the patient's compliance with the care system and general contact lens related hygiene
  • To identify changes from baseline and assess the eye's curvature (correct)

    • What is the typical average time for TBUT (Tear Break-Up Time) assessment?

    <p>10 seconds</p> Signup and view all the answers

    What is the recommended approach when conducting a slit lamp examination?

    <p>Work from outside to in, layer by layer</p> Signup and view all the answers

    What is the primary reason for examining the endothelium during a slit-lamp examination?

    <p>To suspect chronic hypoxia</p> Signup and view all the answers

    What is the main difference between epithelial and deeper infiltrates?

    <p>Depth of the infiltrate</p> Signup and view all the answers

    What is the significance of asking about the patient's occupation and lifestyle during a contact lens assessment?

    <p>To understand the patient's visual demands and tailor the contact lens prescription accordingly</p> Signup and view all the answers

    What is the recommended approach when investigating symptoms of discomfort or pain during a contact lens assessment?

    <p>Ask them to describe the discomfort or pain and score it out of 10</p> Signup and view all the answers

    What is the primary indication of solution toxicity?

    <p>Immediate irritation on insertion</p> Signup and view all the answers

    What is the purpose of instilling fluorescein and using a Cobalt Blue filter during a slit lamp examination?

    <p>To assess the tear quality and staining of the cornea and conjunctiva</p> Signup and view all the answers

    What is the purpose of using a yellow barrier filter during fluorescein examination?

    <p>To enhance corneal staining</p> Signup and view all the answers

    What is the primary indication of hypoxia in the cornea?

    <p>Microcysts</p> Signup and view all the answers

    What is the significance of evaluating the patient's compliance with the care system and general contact lens related hygiene during a contact lens assessment?

    <p>To ensure the patient is using the correct solution and cleaning regime</p> Signup and view all the answers

    What is the primary purpose of assessing tear film quality?

    <p>To assess tear film breakup time</p> Signup and view all the answers

    What is the recommended course of action when a patient presents with symptoms of blurred vision and irritation during a contact lens assessment?

    <p>Conduct a slit lamp examination to assess the cornea and conjunctiva</p> Signup and view all the answers

    What is the main complication of soft toric lenses?

    <p>Reduced oxygen transmissibility</p> Signup and view all the answers

    What is the purpose of assessing the tear quality during a contact lens assessment?

    <p>To ensure the tears are of good quality to support contact lens wear</p> Signup and view all the answers

    What is the significance of asking about the patient's general health and any medications they are taking during a contact lens assessment?

    <p>To understand any systemic conditions that may affect contact lens wear</p> Signup and view all the answers

    What is the recommended approach when discussing clinical findings and advising the patient during a contact lens assessment?

    <p>Explain the need for regular follow-up care and replacement of contact lenses</p> Signup and view all the answers

    What is the primary reason for conducting aftercares in contact lens supply?

    <p>To meet the supplier's legal obligation</p> Signup and view all the answers

    What type of aftercare is considered better for the patient?

    <p>Proactive or Routine</p> Signup and view all the answers

    What is the purpose of examining the eye and adnexa after removing the contact lenses?

    <p>To detect any contact lens related adverse effects</p> Signup and view all the answers

    What is included in the assessment of the patient's current care system?

    <p>Type of cleaning solution used</p> Signup and view all the answers

    What is the purpose of measuring the refractive status and acuities with the lens on the patient's eye?

    <p>To ensure the correct lens prescription</p> Signup and view all the answers

    What is the role of the supplier in contact lens supply?

    <p>To ensure the lens meets the specification and make arrangements for the patient to receive aftercare</p> Signup and view all the answers

    What is the purpose of identifying any symptoms experienced by the patient while wearing lenses?

    <p>To detect any contact lens related adverse effects</p> Signup and view all the answers

    What is included in the examination of the contact lens wearer?

    <p>Multiple aspects, including wearing patterns, symptoms, and lens fit</p> Signup and view all the answers

    What is the purpose of using topical drugs and diagnostic agents during the examination?

    <p>To detect any contact lens related adverse effects</p> Signup and view all the answers

    What is the significance of the College Professional Guidance A335?

    <p>It provides guidance on examining contact lens wearers</p> Signup and view all the answers

    What is the normal range of tear meniscus height?

    <p>0.2-0.3mm</p> Signup and view all the answers

    What is the primary cause of papillary conjunctivitis in contact lens wearers?

    <p>Mechanical irritation</p> Signup and view all the answers

    What is the recommended method for detecting early CL-induced changes in the bulbar conjunctiva?

    <p>Lid eversion with white light</p> Signup and view all the answers

    What is the primary cause of lid wiper epitheliopathy in contact lens wearers?

    <p>Friction between lid margin and contact lens</p> Signup and view all the answers

    What is the recommended method for identifying lid wiper epitheliopathy?

    <p>Lissamine Green stain</p> Signup and view all the answers

    What is the primary effect of RGP lens wear on keratometry?

    <p>Steepening of the cornea</p> Signup and view all the answers

    What is a common complication of RGP lens wear?

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

    What is the recommended approach for managing RGP lens complications?

    <p>Modification of the lens fit based on static and dynamic assessments</p> Signup and view all the answers

    What is the recommended approach for prescribing spectacles in RGP lens wearers?

    <p>Wait until the cornea stabilizes before prescribing spectacles</p> Signup and view all the answers

    What is the recommended approach for advising patients on RGP lens care and maintenance?

    <p>Recommend avoidance of tap water and use of proper solution</p> Signup and view all the answers

    What is the primary indication of active corneal inflammation or hypoxia in the bulbar conjunctiva?

    <p>Dilated limbal vessels</p> Signup and view all the answers

    What is the primary cause of papillary conjunctivitis in contact lens wearers?

    <p>Airborne irritants</p> Signup and view all the answers

    What is the purpose of using a Wratten filter during fluorescein examination?

    <p>To enhance visualization of the tear film</p> Signup and view all the answers

    What is the primary indication of solution toxicity?

    <p>Discomfort on insertion</p> Signup and view all the answers

    What is the primary purpose of assessing tear film quality?

    <p>To detect early CL-induced changes</p> Signup and view all the answers

    What is the primary effect of RGP lens wear on keratometry?

    <p>Flattening of the cornea</p> Signup and view all the answers

    What is included in the examination of the contact lens wearer?

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

    What is the primary indication of hypoxia in the cornea?

    <p>Microcysts</p> Signup and view all the answers

    What is the primary purpose of performing keratometry during a contact lens assessment?

    <p>To assess the refractive status of the patient</p> Signup and view all the answers

    What is the typical average time for TBUT (Tear Break-Up Time) assessment?

    <p>10 seconds</p> Signup and view all the answers

    What is the primary reason for assessing the patient's compliance with the care system and general contact lens related hygiene?

    <p>To assess the patient's risk of developing contact lens-related complications</p> Signup and view all the answers

    What is the purpose of examining the patient's occupation and lifestyle during a contact lens assessment?

    <p>To identify any potential occupational or lifestyle-related risks to the patient's eye health</p> Signup and view all the answers

    What is the recommended approach when investigating symptoms of discomfort or pain during a contact lens assessment?

    <p>To ask the patient to describe the discomfort or pain and scoring it out of 10</p> Signup and view all the answers

    What is the primary purpose of conducting a slit lamp examination during a contact lens assessment?

    <p>To examine the patient's eye for signs of contact lens-related complications</p> Signup and view all the answers

    What is the significance of asking about the patient's general health and any medications they are taking during a contact lens assessment?

    <p>To identify any potential interactions between medications and contact lens wear</p> Signup and view all the answers

    What is the recommended approach when assessing tear film quality during a contact lens assessment?

    <p>To instill fluorescein and use a Cobalt Blue filter</p> Signup and view all the answers

    What is the primary indication of solution toxicity during a contact lens assessment?

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

    What is the purpose of examining the endothelium during a slit-lamp examination?

    <p>To evaluate the patient's corneal health and identify any signs of disease</p> Signup and view all the answers

    What is the primary reason for examining the patient's eye after removing the contact lenses during a contact lens assessment?

    <p>To identify any signs of contact lens-related complications</p> Signup and view all the answers

    What is the recommended approach when advising the patient on the importance of regular follow-up care during a contact lens assessment?

    <p>To advise the patient on the benefits of regular follow-up care</p> Signup and view all the answers

    What is the characteristic appearance of follicles on the palpebral conjunctiva?

    <p>Like a rice grain with vascular surround</p> Signup and view all the answers

    What is the primary cause of spectacle blur in RGP lens wearers?

    <p>Unstable spectacle Rx due to corneal moulding</p> Signup and view all the answers

    What is the recommended method for detecting lid wiper epitheliopathy?

    <p>Using Lissamine Green</p> Signup and view all the answers

    What is the typical range of tear meniscus height in normal individuals?

    <p>0.2-0.3mm</p> Signup and view all the answers

    What is the primary cause of papillae on the palpebral conjunctiva?

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

    What is the recommended approach for managing RGP lens complications?

    <p>Modify the lens fit based on observations</p> Signup and view all the answers

    What is the primary effect of RGP lens wear on keratometry?

    <p>It steepens the keratometry readings</p> Signup and view all the answers

    What is the recommended approach for advising patients on RGP lens care and maintenance?

    <p>Emphasize the importance of cleaning and disinfecting the lenses</p> Signup and view all the answers

    What is the primary cause of lid swelling in RGP lens wearers?

    <p>Mechanical effect of the edge over time</p> Signup and view all the answers

    What is the recommended approach for giving advice to patients during a contact lens assessment?

    <p>Relate the advice to the reason for the visit or symptoms</p> Signup and view all the answers

    What is the primary legal obligation of the supplier of a contact lens?

    <p>To make arrangements for the patient to receive aftercare as needed</p> Signup and view all the answers

    What is the primary purpose of assessing the patient's wearing patterns and wearing times?

    <p>To identify any symptoms they experience while wearing lenses</p> Signup and view all the answers

    What is the purpose of examining the eye and adnexa after removing the contact lenses?

    <p>To detect any contact lens related adverse effects</p> Signup and view all the answers

    What is the primary difference between reactive and proactive aftercare?

    <p>Reactive aftercare responds to symptoms, while proactive aftercare prevents symptoms</p> Signup and view all the answers

    What is the purpose of recording the patient's current care system?

    <p>To evaluate the effectiveness of the care system</p> Signup and view all the answers

    What is the primary purpose of measuring the refractive status and acuities with the lens on the patient's eye?

    <p>To evaluate the patient's visual acuity with the contact lenses</p> Signup and view all the answers

    What is the purpose of using topical drugs and diagnostic agents during the examination?

    <p>To detect any contact lens related adverse effects</p> Signup and view all the answers

    What is the primary benefit of proactive aftercare for the patient?

    <p>It prevents symptoms and signs of contact lens wear</p> Signup and view all the answers

    What is the purpose of assessing the lens fit and condition of the lenses?

    <p>To ensure the lenses are meeting the patient's needs</p> Signup and view all the answers

    What is the primary purpose of examining the patient's wearing patterns and wearing times?

    <p>To identify any clinical signs of contact lens wear</p> Signup and view all the answers

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