Aging eye conditions talk Neal Adams of Johns Hopkins Medical Center discusses conditions and treatments of cataracts, glaucoma, dry-eye syndrome and macular degeneration. Thursday, 1:15 p.m. Holiday Park Multiservice Senior Center, 3950 Ferrara Dr., Wheaton. 240-777-4999. Free.
Mindfulness meditation class For beginners and intermediate meditators; the talk will include instruction and guided meditation. Thursday, 7:15-8:15 p.m. Sugarloaf Congregation of Unitarian Universalists, 16913 Germantown Rd., Germantown. 301-540-8091. Donations requested.
Campfire and nature walk For age 3 and older, a picnic by a fire and a guided nature walk. Friday, 6:30-7:30 p.m. Locust Grove Nature Center, 7777 Democracy Blvd., Bethesda. www.parkpass.org. www.locustgrovenature.org. $6, registration required.
Overeaters Anonymous Part of a 12-step program. Saturdays, 9 a.m. Episcopal Church of the Ascension, 205 S. Summit Ave., Gaithersburg. 240-242-5328. Free.
Family Fun and Fitness Day For all ages; health screenings, fitness demonstrations, healthful eating tips, children’s activities and more. Saturday, 1-4 p.m. Germantown Library, 19840 Century Blvd. 240-777-0110. Free.
Gynecologic cancers talk Deborah Armstrong, an oncologist at Johns Hopkins Kimmel Cancer Center, will discuss new therapeutic approaches for the treatment of gynecologic malignancies. Monday, 6:30 p.m. Hope Connections for Cancer Support, Beaumont House at FASEB, 9650 Rockville Pike, Bethesda. email@example.com. 301-493-5002. www.hopeconnectionsforcancer.org. Free.
Adventist HealthCare Walking Club Meets in the food court. Tuesday, 8 a.m. Westfield Montgomery shopping mall, 7101 Democracy Blvd., Bethesda. 301-315-3030. www.adventisthealthcare.com/health. Free.
Stability ball exercise Engages core muscles and builds balance. Tuesdays, 11 a.m. Margaret Schweinhaut Senior Center, 1000 Forest Glen Rd., Silver Spring. 301-896-3939. $30, registration required.
Blood pressure screenings A nurse from Holy Cross Hospital performs free screenings. Tuesday, 12:30 p.m. Margaret Schweinhaut Senior Center, 1000 Forest Glen Rd., Silver Spring. 240-777-8086.
“Coping With Change” Jamie Lomason leads a weekly group discussion on how to deal with life changes in a positive way. Tuesday, 1 p.m. Margaret Schweinhaut Senior Center, 1000 Forest Glen Rd., Silver Spring. 240-777-8086. Free.
Zumba on the Plaza Stage A fitness instructor from Washington Sports Club leads an outdoor class. Tuesdays, 7 p.m., through Aug. 13. Fountain Plaza Stage at Downtown Silver Spring, 916 Ellsworth Dr. 301-203-4184. Free.
HeartWell in Action Nurse Leni Barry teaches how to manage blood pressure and reduce the risk of heart attack and stroke with diet, physical activity and stress management. Sponsored by Suburban Hospital. Wednesday, 10 a.m. Margaret Schweinhaut Senior Center, 1000 Forest Glen Rd., Silver Spring. 240-777-8086. Free.
Square dancing and lessons New dancers welcome; wear casual dress. Wednesday, 7 p.m. North Chevy Chase Christian Church, 8814 Kensington Pkwy. 301-587-5861. www.gerrymanders.net. $6.
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