normal phenotype
• at 3-16 months, homozygotes retaining the floxed neomycin cassette are viable, fertile and show no significant differences in intraocular pressure or clinical signs of glaucoma relative to wild-type
• histological analysis of the iridocorneal angle, retina, and optic nerve revealed no ocular anomalies in homozygous mutant mice
• at 3-12 months, homozygotes display no ultrastructural defects in the trabecular meshwork, cornea, or iris
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