Lens Induced Glaucoma (LIG) is a disease entity which arises when the cataract extraction is not done in time thereby leading to hypermaturity and eventually lens induced glaucoma by various mechanisms.

PURPOSE: To evaluate damage to optic disc in cases of LIG in relation to duration of LIG and IOP at presentation.

METHODS: Hundred cases of LIG attending tertiary hospital in Gwalior were selected. Duration of LIG (time interval between onset of pain and presenting to hospital) and IOP at presentation of every patient were recorded. All the cases underwent SICS with  IOL implantation. Optic disc evaluation was done 45 days after surgery. Glaucomatous damage to optic disc were noted and graded . Correlation of glaucomatous disc damage with duration of LIG and IOP at presentation were made. RESULT: In this study, 81.8% of the patients who presented within 1 week had optic disc ranging from normal to mild glaucomatous damage whereas 64.3% of the patients who presented after 1 week had moderate to severe optic disc damage. Amongst the 40 patients who  presented with an initial IOP between 20 and 30 mmHg, 22 (55%) cases had normal optic disc, 12 (30%) cases had mild–moderate and 6 (15%) cases had severe glaucomatous disc damage. Out of the 54 cases who presented with an initial IOP of >40 mmHg, 22 (40.7%) cases had normal  optic disc, 22 (40.7%) cases had mild to moderate and 10(18.5%) cases had severe glaucomatous optic disc damage. CONCLUSION: Glaucomatous damage to optic nerve head had a linear correlation with duration of LIG and IOP at presentation.