road of hurdles

barricade blind blindness blockade blur blurred board chess concept conceptual dazzle debilitated defective difficult difficulties difficulty eye eyeball eyebrow eyelash gaze glare glaring handicap handicapped hard hardships hindrance hurdle hurdles impair impaired impediment iris look obscure obscured obstacle obstacles obstruct obstruction ocular oculus optic path pawns peek peeking pigmentosa retinitis stare style vision visionary visual visually way