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Review

Corneal Hysteresis as a Biomarker of Glaucoma: Current Insights

ORCID Icon, ORCID Icon, &
Pages 2255-2264 | Published online: 10 Aug 2020

Figures & data

Table 1 List of Corneal Hysteresis Resources

Figure 1 Ocular response analyzer (ORA) reading. P1 indicates the air-jet pressure when the cornea undergoes an inward applanation and P2 is the pressure at which the cornea bends back to normal configuration. Corneal hysteresis is defined by P1-P2.Citation10 Figure courtesy of Reichart Inc., Depew, NY, USA.

Figure 1 Ocular response analyzer (ORA) reading. P1 indicates the air-jet pressure when the cornea undergoes an inward applanation and P2 is the pressure at which the cornea bends back to normal configuration. Corneal hysteresis is defined by P1-P2.Citation10 Figure courtesy of Reichart Inc., Depew, NY, USA.

Figure 2 Relationship between predictive rates of VFI change, IOP, and CH, 2013. Notes: Reprinted from Ophthalmology: Journal of the American Academy of Ophthalmology, Vol 120(8), Medeiros FA, Meira-Freitas D, Lisboa R, Kuang TM, Zangwill LM, Weinreb RN, Corneal hysteresis as a risk factor for glaucoma progression: a prospective longitudinal study, Pages No.1533–1540, Copyright 2013, with permission from Elsevier.Citation6

Figure 2 Relationship between predictive rates of VFI change, IOP, and CH, 2013. Notes: Reprinted from Ophthalmology: Journal of the American Academy of Ophthalmology, Vol 120(8), Medeiros FA, Meira-Freitas D, Lisboa R, Kuang TM, Zangwill LM, Weinreb RN, Corneal hysteresis as a risk factor for glaucoma progression: a prospective longitudinal study, Pages No.1533–1540, Copyright 2013, with permission from Elsevier.Citation6

Figure 3 Cumulative probability of glaucoma development in glaucoma suspect eyes with CH equal or greater than 10.2, and in those with CH lesser than 10.2 mmHg. Notes: Reprinted from American Journal of Ophthalmology, Vol 187, Susanna CN, Diniz-Filho A, Daga FB, et al, A prospective longitudinal study to investigate corneal hysteresis as a risk factor for predicting development of glaucoma, Pages No.148–152, Copyright 2018, with permission from Elsevier.Citation2

Figure 3 Cumulative probability of glaucoma development in glaucoma suspect eyes with CH equal or greater than 10.2, and in those with CH lesser than 10.2 mmHg. Notes: Reprinted from American Journal of Ophthalmology, Vol 187, Susanna CN, Diniz-Filho A, Daga FB, et al, A prospective longitudinal study to investigate corneal hysteresis as a risk factor for predicting development of glaucoma, Pages No.148–152, Copyright 2018, with permission from Elsevier.Citation2