Term
| What is the common name for myopia? |
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Definition
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Term
| Where does light entering the eye focus in myopia? Does this affect short or long distance vision? |
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Definition
| In front of the retina, results in poot distance vision |
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Term
| How is the cornea/shape of the eye different in a person with myopia? |
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Definition
| Cornea is steeper and/or eye is elongated |
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Term
| Describe the epidemiology of myopia. |
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Definition
- Typ. noted in school age children
- ~25% of the population has some myopia
- Higher in Asian countries
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Term
| What are the tell-tale signs that someone has myopia? |
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Definition
- 8-12yo c/o not being able to see the board
- Squinting
- Rubbing eyes d/t eye strain
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Term
| What exam is typically done to dx myopia? Who performs the exam? |
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Definition
- Snellen eye chart
- Optometrist or ophthalmologist
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Term
| How is the prescription written for glasses/contacts for myopia? What is considered mild, moderate, and severe? |
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Definition
(-) diopters
- Mild: 0 to -3
- Moderate: -3 to -6
- Severe: > -6 |
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Term
| What are the surgical procedures used to treat myopia? |
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Definition
| RK, PRK, CLEAR, Lasik, ICL |
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Term
| What is the common name for hyperopia? |
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Definition
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Term
| Where does light enter the eye in hyperopia? Describe the shape of the cornea/eye. |
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Definition
- Behind the retina
- Cornea is flatter/eye is shorter |
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Term
| What are the signs/symptoms of hyperopia? |
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Definition
- Difficulty seeing up close
- Often blurred distance
- Eye fatigue when reading
- Eye strain |
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Term
| How is hyperopia diagnosed? |
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Definition
| - Dilated eye exam necessary in children as traditional screening tests in school miss it |
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Term
| How is the presctiption written for glasses/contacts for hyperopia? |
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Definition
| (+) diopters (convex lens) |
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Term
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Definition
| Irregular curvature of the cornea (oblong vs. spherical) |
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Term
| How does astigmatism affect one's vision? |
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Definition
| Causes light rays to focus on 2 different points in the eye resulting in blurred vision at all distances. |
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Term
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Definition
| Crystalline lens loses flexibility and ability to accomodate for near vision. |
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Term
| What age group is presbyopia found in? |
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Definition
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Term
| What is the treatment for persbyopia? |
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Definition
| Reading glasses, bifocals, trifocals |
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Term
| What refractive eye error is commonly seen in children that they outgrow? |
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Definition
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