What is amblyopia commonly referred to as?
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| 1 | What is amblyopia commonly referred to as? |
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Common childhood eye issues like amblyopia, strabismus, and their early detection and management.
Amblyopia is commonly called 'lazy eye,' characterized by decreased vision in one or both eyes due to abnormal visual development in childhood. |
| Think of 'lazy' as underused or poorly developed vision. |
| 2 | What is the primary cause of amblyopia? | Amblyopia is primarily caused by abnormal visual experience during critical periods of visual development, often due to strabismus, anisometropia, or obstruction of visual input. | Consider what disrupts normal visual signals during early childhood. |
| 3 | At what age should vision screening ideally be performed in children? | Routine vision screening should begin at age 3 years and be repeated regularly until school age, with earlier screening if risk factors are present. | Early detection is key—think preschool years. |
| 4 | What is strabismus? | Strabismus is a misalignment of the eyes, where they do not look in the same direction due to imbalance in extraocular muscle function. | Remember 'strabismus' as 'straying' eyes. |
| 5 | Name two common types of strabismus in children. | Esotropia (inward deviation) and exotropia (outward deviation). | Think 'E' for inward (esotropia) and 'X' for outward (exotropia). |
| 6 | Why is early detection of strabismus important? | Early detection is crucial to prevent amblyopia, improve ocular alignment, and promote binocular vision development. | Think of early intervention as fixing a misaligned foundation. |
| 7 | Which visual acuity testing method is suitable for preschool children? | The Snellen chart with pictures or HOTV optotypes is suitable for preschoolers, along with the Lea symbols test. | Use picture-based tests for young children. |
| 8 | What is anisometropia, and how does it relate to amblyopia? | Anisometropia is a condition where there is a significant difference in refractive error between the two eyes, which can lead to amblyopia if uncorrected. | Remember 'aniso' as unequal refractive power. |
| 9 | Name a common refractive error that can lead to amblyopia if untreated in children. | Hyperopia (farsightedness), especially when significant, can lead to amblyopia. | Think of hyperopia as needing to focus effort, which can strain the eye. |
| 10 | What is the main goal of occlusion therapy in amblyopia? | Occlusion therapy involves patching the dominant eye to force use of the amblyopic eye, promoting neural development and improving vision. | Think 'patch' as 'patch up' weak eyesight. |
| 11 | Which is a common surgical intervention for strabismus? | Strabismus surgery typically involves adjusting the position or length of extraocular muscles to realign the eyes. | Think of muscle adjustment as 're-tuning' the eye's engine. |
| 12 | What is the significance of Hirschberg test in pediatric eye assessment? | The Hirschberg test assesses ocular alignment by observing corneal light reflexes; asymmetry suggests strabismus. | Use light reflex symmetry to check eye alignment. |
| 13 | Which binocular function is often tested to assess depth perception in children? | Stereopsis, or depth perception, is assessed using tests like the Randot stereo test. | Think 'stereo' as 'three-dimensional vision.' |
| 14 | What is the typical age range when strabismus should be corrected to prevent amblyopia? | Ideally before age 5-6 years, as earlier correction yields better visual outcomes. | Early childhood is the critical window. |
| 15 | Name a non-invasive screening tool used in pediatric vision screening. | Photoscreening devices or autorefractors are used for quick, non-invasive screening of refractive errors and ocular alignment. | Think of 'photo' as quick and easy. |
| 16 | How does strabismus affect binocular vision? | Strabismus disrupts the normal development of binocular fusion, leading to loss of depth perception and possibly amblyopia. | Disaligned eyes break the 'fusion' process. |
| 17 | What is the role of parental observation in early detection of eye problems? | Parents can notice signs like eye crossing, squinting, head tilting, or poor visual response, prompting timely ophthalmic evaluation. | Parents are the first line of 'visual' detection. |
| 18 | Describe the concept of 'critical period' for visual development. | The critical period is a window in early childhood during which the visual system is highly plastic and sensitive to abnormal visual experiences; timely treatment is essential during this time. | Think of it as the 'golden window' for visual development. |
| 19 | What are the common signs indicating a child might have amblyopia? | Signs include poor visual acuity in one eye, eye turn (strabismus), head tilt, or eye misalignment; often asymptomatic in early stages. | Check for 'lazy' or misaligned eyes. |
| 20 | Why is refractive correction important in pediatric eye care? | Correcting refractive errors prevents amblyopia, promotes proper visual development, and improves visual acuity. | Corrective lenses help the brain receive proper images. |
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