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| high_hyperopia [2026/07/27 17:22] – [References] Scott Larson | high_hyperopia [2026/07/27 18:07] (current) – Scott Larson | ||
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| - **≥+5.00 D** is the most widely used cutoff for "high hyperopia" | - **≥+5.00 D** is the most widely used cutoff for "high hyperopia" | ||
| - **≥+4.00 D** is used in some epidemiologic studies as the threshold for " | - **≥+4.00 D** is used in some epidemiologic studies as the threshold for " | ||
| - | - **≥+7.00 D** is often used to define the extreme end of the spectrum, particularly in the context of structural conditions such as **nanophthalmos** and **posterior microphthalmos**.[6][7] | + | - **≥+7.00 D** is often used to define the extreme end of the spectrum, particularly in the context of structural conditions such as **nanophthalmos** and **posterior |
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| * [[nanophthalmia|Nanophthalmos]] — Extreme hyperopia (+8 to +25 D) due to a very short axial length with normal cornea and lens size. Associated with angle-closure glaucoma, thickened sclera, and uveal effusion.[5][8] | * [[nanophthalmia|Nanophthalmos]] — Extreme hyperopia (+8 to +25 D) due to a very short axial length with normal cornea and lens size. Associated with angle-closure glaucoma, thickened sclera, and uveal effusion.[5][8] | ||
| - | * Posterior microphthalmos — Short axial length with normal anterior segment dimensions. Associated with macular folds (papillomacular folds) and high hyperopia, but lower rates of angle-closure glaucoma compared to nanophthalmos.[5] | + | * Posterior |
| ===== Genetic Syndromes Featuring High Hyperopia ===== | ===== Genetic Syndromes Featuring High Hyperopia ===== | ||