Podcast
Questions and Answers
What is the main reason for the development of microcysts in contact lens wearers?
What is the main reason for the development of microcysts in contact lens wearers?
- Compromised development of epithelium
- Prophylactic topical steroid antibiotic use
- Lack of lubrication causing epithelial breakdown
- Epithelial edema due to oxygen compromise (correct)
How does epithelial surface staining usually present in individuals with microcysts due to prolonged contact lens wear?
How does epithelial surface staining usually present in individuals with microcysts due to prolonged contact lens wear?
- Uniform staining across the entire epithelium
- No staining at all due to excessive lubrication
- Punctate staining as cysts surface (correct)
- Staining concentrated at the limbus region
What is the recommended treatment approach for resolving microcysts in contact lens wearers?
What is the recommended treatment approach for resolving microcysts in contact lens wearers?
- Increasing the wear time of contact lenses
- Applying a stronger prophylactic topical steroid antibiotic
- Using a higher DK lens material
- Frequent lubrication with preservative-free artificial tears (correct)
Why does delayed development and resolution of microcysts occur in contact lens wearers?
Why does delayed development and resolution of microcysts occur in contact lens wearers?
What role does prophylactic topical antibiotic ointment play in managing microcysts in contact lens users?
What role does prophylactic topical antibiotic ointment play in managing microcysts in contact lens users?
What is the recommended length of time for resolving microcystic edema after discontinuing lens wear?
What is the recommended length of time for resolving microcystic edema after discontinuing lens wear?
What can lead to an increase in the number of cysts during the first 3-4 weeks of resolving microcystic edema?
What can lead to an increase in the number of cysts during the first 3-4 weeks of resolving microcystic edema?
What is an essential consideration when refitting lenses after resolving microcystic edema for proper lens movement?
What is an essential consideration when refitting lenses after resolving microcystic edema for proper lens movement?
During the recovery period from microcystic edema, what can be used for epithelial surface healing and protection?
During the recovery period from microcystic edema, what can be used for epithelial surface healing and protection?
Why should patients be educated about the potential need for gas-permeable (GP) lenses during microcystic edema recovery?
Why should patients be educated about the potential need for gas-permeable (GP) lenses during microcystic edema recovery?
What is a long-term effect of epithelial edema?
What is a long-term effect of epithelial edema?
Why is the smaller diameter of a gp lens beneficial for the cornea?
Why is the smaller diameter of a gp lens beneficial for the cornea?
What is a common symptom experienced by the patient in Case 2?
What is a common symptom experienced by the patient in Case 2?
How does oxygen permeability differ in Cooper Vision 55 lenses?
How does oxygen permeability differ in Cooper Vision 55 lenses?
Which is a potential risk associated with not using prophylactic topical steroid antibiotic?
Which is a potential risk associated with not using prophylactic topical steroid antibiotic?
What is the risk associated with deep stromal corneal neovascularization?
What is the risk associated with deep stromal corneal neovascularization?
What is the significance of chronic stromal edema folds?
What is the significance of chronic stromal edema folds?
What is the effect of microcysts on the cornea?
What is the effect of microcysts on the cornea?
How does the prophylactic use of a topical steroid antibiotic help in treating stromal tissue folds?
How does the prophylactic use of a topical steroid antibiotic help in treating stromal tissue folds?
What role does lubrication play in preventing blood staining in the cornea?
What role does lubrication play in preventing blood staining in the cornea?
What is the main reason vision cannot reach 20/20 in cases of stromal edema?
What is the main reason vision cannot reach 20/20 in cases of stromal edema?
Why does the orientation of lamellar lines change when pressure is applied to the globe in cases of stromal edema?
Why does the orientation of lamellar lines change when pressure is applied to the globe in cases of stromal edema?
Why is it recommended to prescribe a topical steroid in cases of stromal edema?
Why is it recommended to prescribe a topical steroid in cases of stromal edema?
How does Muro 128 aid in treating stromal edema?
How does Muro 128 aid in treating stromal edema?
Why is it important to monitor lens wear carefully during treatment for stromal edema?
Why is it important to monitor lens wear carefully during treatment for stromal edema?
What is the most likely diagnosis based on the presented symptoms of central corneal haze, engorged limbal vessels, constant tearing, and irritated feeling in the eye?
What is the most likely diagnosis based on the presented symptoms of central corneal haze, engorged limbal vessels, constant tearing, and irritated feeling in the eye?
Which condition is characterized by individual lamellar cells of stroma swelling, appearing thicker than adjacent cells?
Which condition is characterized by individual lamellar cells of stroma swelling, appearing thicker than adjacent cells?
What is the main precursor of deep stromal neo-vessels according to the text?
What is the main precursor of deep stromal neo-vessels according to the text?
Which action would most likely worsen the condition of chronic stromal edema and striae?
Which action would most likely worsen the condition of chronic stromal edema and striae?
What change in orientation is observed in the lines when pressing on the inferior bulbar conjunctiva?
What change in orientation is observed in the lines when pressing on the inferior bulbar conjunctiva?
What is the typical corneal thickness mentioned in the text?
What is the typical corneal thickness mentioned in the text?
Which condition results in dropout of endothelial function in older patients?
Which condition results in dropout of endothelial function in older patients?
What is the main cause of epithelial edema progression to stromal edema?
What is the main cause of epithelial edema progression to stromal edema?
What is the purpose of using bandage lenses in the treatment of edematous cornea with chronic epithelial breakdown?
What is the purpose of using bandage lenses in the treatment of edematous cornea with chronic epithelial breakdown?
What type of cells are seen in abusive contact lens wear that results in compromised pumping action?
What type of cells are seen in abusive contact lens wear that results in compromised pumping action?
What is the sign of significant compromise to metabolism in stromal edema?
What is the sign of significant compromise to metabolism in stromal edema?
How can topicals be used to address corneal swelling according to the text?
How can topicals be used to address corneal swelling according to the text?
What is observed when there is loss of endothelial cells due to age or contact lens wear?
What is observed when there is loss of endothelial cells due to age or contact lens wear?
'Amorphous endothelial cells' are a characteristic feature of which condition mentioned in the text?
'Amorphous endothelial cells' are a characteristic feature of which condition mentioned in the text?
