What condition would indicate the use of timolol?

Timolol is primarily indicated for the treatment of glaucoma. It is a non-selective beta-adrenergic antagonist that helps to lower intraocular pressure by decreasing the production of aqueous humor in the eye. This is particularly important in managing glaucoma, where excessive intraocular pressure can lead to damage to the optic nerve and loss of vision.

The other options do not align with the therapeutic use of timolol. For instance, using timolol in the context of an acute asthma attack could be harmful, as beta-blockers can induce bronchospasm. Bradycardia, which refers to a slow heart rate, could be exacerbated by timolol, making it an unsuitable choice. Skin rash does not have any direct relevance to the therapeutic use of timolol, which is focused on ocular conditions. Thus, the clear indication for timolol lies in managing glaucoma, making it the correct choice.