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New research · Ophthalmology
Ophthalmology science · 3d
Cross-sectionalOphthalmology science · 2026

Characterization of Angle-Angle Diameter Relationship with Corneal Diameter, Axial Length, and Intraocular Pressure in Pediatric Glaucoma.

Taylor Kolosky, Reshmi Talwar, He Eun Forbes … Janet L Alexander
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OphthalmologyCross-sectional

In primary congenital glaucoma, wider angle-angle eye diameter is linked to longer eye length.

Characterization of Angle-Angle Diameter Relationship with Corneal Diameter, Axial Length, and Intraocular Pressure in Pediatric Glaucoma.

Taylor Kolosky … Janet L Alexander
Ophthalmology science · 2026
Purpose

To characterize the relationship of angle-angle diameter (AA) with intraocular pressure (IOP), corneal diameter (corneal diameter), and axial length (axial length) in pediatric patients with glaucoma.

Methods

Nineteen participants (34 eyes) aged 0.12 to 12.5 years (median = 1.5 years) with pediatric glaucoma.

n = 34 eyes
1.63-mm
Results
1.63-mm
wider angle-to-angle span linked to a longer eye
n = 34 eyes
More results

Angle-angle diameter showed a strong positive correlation with corneal diameter (r = 0.93, P < 0.001) across most age groups and glaucoma subtypes except Sturge-Weber syndrome.

More results

Angle-angle diameter was also strongly correlated with axial length in primary congenital glaucoma and glaucoma following cataract surgery (r = 0.73, P < 0.001; r = 0.87, P = 0.02), with similar associations seen in participants aged <1 year (r = 0.75, P = 0.002).

“
Conclusion · 1 of 2

Angle-angle diameter may be clinically useful for diagnosing and monitoring glaucoma in pediatric patients, as it tends to increase proportionally with axial length.

Conclusion · 2 of 2

Further studies in larger populations will improve understanding of how these relationships change with age and disease severity.

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